537640897881472 has 96 divisors (see below), whose sum is σ = 1345490780351760. Its totient is φ = 209470479651840.

The previous prime is 537640897881427. The next prime is 537640897881473. The reversal of 537640897881472 is 274188798046735.

It is a junction number, because it is equal to n+sod(n) for n = 537640897881392 and 537640897881401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537640897881473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2479419043 + ... + 2479635874.

It is a 1-persistent number, because it is pandigital, but 2⋅537640897881472 = 1075281795762944 is not.

Almost surely, 2^{537640897881472} is an apocalyptic number.

It is an amenable number.

537640897881472 is an abundant number, since it is smaller than the sum of its proper divisors (807849882470288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

537640897881472 is a wasteful number, since it uses less digits than its factorization.

537640897881472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4959054960 (or 4959054937 counting only the distinct ones).

The product of its (nonzero) digits is 4551966720, while the sum is 79.

The spelling of 537640897881472 in words is "five hundred thirty-seven trillion, six hundred forty billion, eight hundred ninety-seven million, eight hundred eighty-one thousand, four hundred seventy-two".