521414537459 has 16 divisors (see below), whose sum is σ = 542323743744. Its totient is φ = 500769928800.

The previous prime is 521414537453. The next prime is 521414537461. The reversal of 521414537459 is 954735414125.

It is a cyclic number.

It is not a de Polignac number, because 521414537459 - 2²⁴ = 521397760243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (521414537453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3416957 + ... + 3566289.

It is an arithmetic number, because the mean of its divisors is an integer number (33895233984).

Almost surely, 2^521414537459 is an apocalyptic number.

521414537459 is a deficient number, since it is larger than the sum of its proper divisors (20909206285).

521414537459 is a wasteful number, since it uses less digits than its factorization.

521414537459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150218.

The product of its digits is 3024000, while the sum is 50.

The spelling of 521414537459 in words is "five hundred twenty-one billion, four hundred fourteen million, five hundred thirty-seven thousand, four hundred fifty-nine".