521414423441 has 32 divisors (see below), whose sum is σ = 585041522688. Its totient is φ = 462395473920.

The previous prime is 521414423399. The next prime is 521414423443. The reversal of 521414423441 is 144324414125.

It is not a de Polignac number, because 521414423441 - 2³⁸ = 246536516497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (521414423443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4725881 + ... + 4834953.

It is an arithmetic number, because the mean of its divisors is an integer number (18282547584).

Almost surely, 2^521414423441 is an apocalyptic number.

It is an amenable number.

521414423441 is a deficient number, since it is larger than the sum of its proper divisors (63627099247).

521414423441 is a wasteful number, since it uses less digits than its factorization.

521414423441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109361.

The product of its digits is 61440, while the sum is 35.

Adding to 521414423441 its reverse (144324414125), we get a palindrome (665738837566).

The spelling of 521414423441 in words is "five hundred twenty-one billion, four hundred fourteen million, four hundred twenty-three thousand, four hundred forty-one".