1464937421 has 4 divisors (see below), whose sum is σ = 1500667644. Its totient is φ = 1429207200.

The previous prime is 1464937417. The next prime is 1464937423. The reversal of 1464937421 is 1247394641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 582015625 + 882921796 = 24125^2 + 29714^2 .

It is a cyclic number.

It is not a de Polignac number, because 1464937421 - 2² = 1464937417 is a prime.

It is a super-2 number, since 2×1464937421² = 4292083294892262482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 35730181 = 1464937421 / (1 + 4 + 6 + 4 + 9 + 3 + 7 + 4 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1464937423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17865050 + ... + 17865131.

It is an arithmetic number, because the mean of its divisors is an integer number (375166911).

Almost surely, 2^1464937421 is an apocalyptic number.

It is an amenable number.

1464937421 is a deficient number, since it is larger than the sum of its proper divisors (35730223).

1464937421 is an equidigital number, since it uses as much as digits as its factorization.

1464937421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35730222.

The product of its digits is 145152, while the sum is 41.

The square root of 1464937421 is about 38274.5009242446. The cubic root of 1464937421 is about 1135.7245778623.

The spelling of 1464937421 in words is "one billion, four hundred sixty-four million, nine hundred thirty-seven thousand, four hundred twenty-one".