537638390399 has 32 divisors (see below), whose sum is σ = 596741670720. Its totient is φ = 480314982400.

The previous prime is 537638390363. The next prime is 537638390411. The reversal of 537638390399 is 993093836735.

It is not a de Polignac number, because 537638390399 - 2⁸ = 537638390143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537638392399) 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, 146214749 + ... + 146218425.

It is an arithmetic number, because the mean of its divisors is an integer number (18648177210).

Almost surely, 2^537638390399 is an apocalyptic number.

537638390399 is a deficient number, since it is larger than the sum of its proper divisors (59103280321).

537638390399 is a wasteful number, since it uses less digits than its factorization.

537638390399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4651.

The product of its (nonzero) digits is 99202320, while the sum is 65.

The spelling of 537638390399 in words is "five hundred thirty-seven billion, six hundred thirty-eight million, three hundred ninety thousand, three hundred ninety-nine".