1467426421 has 4 divisors (see below), whose sum is σ = 1467503212. Its totient is φ = 1467349632.

The previous prime is 1467426391. The next prime is 1467426437. The reversal of 1467426421 is 1246247641.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1246247641 = 11069 ⋅112589.

It can be written as a sum of positive squares in 2 ways, for example, as 155900196 + 1311526225 = 12486^2 + 36215^2 .

It is a cyclic number.

It is not a de Polignac number, because 1467426421 - 2⁷ = 1467426293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1467426461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15301 + ... + 56293.

It is an arithmetic number, because the mean of its divisors is an integer number (366875803).

Almost surely, 2^1467426421 is an apocalyptic number.

It is an amenable number.

1467426421 is a deficient number, since it is larger than the sum of its proper divisors (76791).

1467426421 is an equidigital number, since it uses as much as digits as its factorization.

1467426421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76790.

The product of its digits is 64512, while the sum is 37.

The square root of 1467426421 is about 38307.0022450204. The cubic root of 1467426421 is about 1136.3674310372.

The spelling of 1467426421 in words is "one billion, four hundred sixty-seven million, four hundred twenty-six thousand, four hundred twenty-one".