537432397658 has 32 divisors (see below), whose sum is σ = 870673370112. Its totient is φ = 247328294400.

The previous prime is 537432397631. The next prime is 537432397661. The reversal of 537432397658 is 856793234735.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 537432397658.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 20953610 + ... + 20979242.

It is an arithmetic number, because the mean of its divisors is an integer number (27208542816).

Almost surely, 2^537432397658 is an apocalyptic number.

537432397658 is a deficient number, since it is larger than the sum of its proper divisors (333240972454).

537432397658 is a wasteful number, since it uses less digits than its factorization.

537432397658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27950.

The product of its digits is 114307200, while the sum is 62.

The spelling of 537432397658 in words is "five hundred thirty-seven billion, four hundred thirty-two million, three hundred ninety-seven thousand, six hundred fifty-eight".