537642650838 has 8 divisors (see below), whose sum is σ = 1075285301688. Its totient is φ = 179214216944.

The previous prime is 537642650803. The next prime is 537642650887. The reversal of 537642650838 is 838056246735.

It is a sphenic number, since it is the product of 3 distinct primes.

537642650838 is an admirable number.

It is a super-2 number, since 2×537642650838² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44803554231 + ... + 44803554242.

It is an arithmetic number, because the mean of its divisors is an integer number (134410662711).

Almost surely, 2^537642650838 is an apocalyptic number.

537642650838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

537642650838 is a wasteful number, since it uses less digits than its factorization.

537642650838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89607108478.

The product of its (nonzero) digits is 29030400, while the sum is 57.

The spelling of 537642650838 in words is "five hundred thirty-seven billion, six hundred forty-two million, six hundred fifty thousand, eight hundred thirty-eight".