1459061621 has 4 divisors (see below), whose sum is σ = 1460404992. Its totient is φ = 1457718252.

The previous prime is 1459061609. The next prime is 1459061627. The reversal of 1459061621 is 1261609541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1261609541 = 193 ⋅6536837.

It is a cyclic number.

It is not a de Polignac number, because 1459061621 - 2¹⁸ = 1458799477 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 (1459061627) 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, 670055 + ... + 672228.

It is an arithmetic number, because the mean of its divisors is an integer number (365101248).

Almost surely, 2^1459061621 is an apocalyptic number.

It is an amenable number.

1459061621 is a deficient number, since it is larger than the sum of its proper divisors (1343371).

1459061621 is a wasteful number, since it uses less digits than its factorization.

1459061621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343370.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1459061621 is about 38197.6651249785. The cubic root of 1459061621 is about 1134.2040959620.

The spelling of 1459061621 in words is "one billion, four hundred fifty-nine million, sixty-one thousand, six hundred twenty-one".