537721957932 has 24 divisors (see below), whose sum is σ = 1255077852672. Its totient is φ = 179184469200.

The previous prime is 537721957931. The next prime is 537721957933. The reversal of 537721957932 is 239759127735.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (537721957931) and next prime (537721957933).

It is not an unprimeable number, because it can be changed into a prime (537721957931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6983044 + ... + 7059627.

It is an arithmetic number, because the mean of its divisors is an integer number (52294910528).

Almost surely, 2^537721957932 is an apocalyptic number.

It is an amenable number.

537721957932 is an abundant number, since it is smaller than the sum of its proper divisors (717355894740).

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

537721957932 is a wasteful number, since it uses less digits than its factorization.

537721957932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14045869 (or 14045867 counting only the distinct ones).

The product of its digits is 25004700, while the sum is 60.

The spelling of 537721957932 in words is "five hundred thirty-seven billion, seven hundred twenty-one million, nine hundred fifty-seven thousand, nine hundred thirty-two".