537605644448 has 12 divisors (see below), whose sum is σ = 1058411112570. Its totient is φ = 268802822208.

The previous prime is 537605644441. The next prime is 537605644487. The reversal of 537605644448 is 844446506735.

It can be written as a sum of positive squares in only one way, i.e., 270287691664 + 267317952784 = 519892^2 + 517028^2 .

It is a junction number, because it is equal to n+sod(n) for n = 537605644393 and 537605644402.

It is not an unprimeable number, because it can be changed into a prime (537605644441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8400088163 + ... + 8400088226.

Almost surely, 2^537605644448 is an apocalyptic number.

It is an amenable number.

537605644448 is a deficient number, since it is larger than the sum of its proper divisors (520805468122).

537605644448 is a wasteful number, since it uses less digits than its factorization.

537605644448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16800176399 (or 16800176391 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 56.

The spelling of 537605644448 in words is "five hundred thirty-seven billion, six hundred five million, six hundred forty-four thousand, four hundred forty-eight".