537809794368 has 224 divisors, whose sum is σ = 1774662448128. Its totient is φ = 139644518400.

The previous prime is 537809794363. The next prime is 537809794373. The reversal of 537809794368 is 863497908735.

It is an interprime number because it is at equal distance from previous prime (537809794363) and next prime (537809794373).

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537809794363) 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, 86586783 + ... + 86592993.

Almost surely, 2^537809794368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 537809794368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887331224064).

537809794368 is an abundant number, since it is smaller than the sum of its proper divisors (1236852653760).

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

537809794368 is a wasteful number, since it uses less digits than its factorization.

537809794368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12101 (or 12091 counting only the distinct ones).

The product of its (nonzero) digits is 274337280, while the sum is 69.

The spelling of 537809794368 in words is "five hundred thirty-seven billion, eight hundred nine million, seven hundred ninety-four thousand, three hundred sixty-eight".