45961971456638 has 16 divisors (see below), whose sum is σ = 70806677075424. Its totient is φ = 22359752724960.

The previous prime is 45961971456629. The next prime is 45961971456689. The reversal of 45961971456638 is 83665417916954.

It is a super-2 number, since 2×45961971456638² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (74).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12318956 + ... + 15610272.

It is an arithmetic number, because the mean of its divisors is an integer number (4425417317214).

Almost surely, 2^{45961971456638} is an apocalyptic number.

45961971456638 is a deficient number, since it is larger than the sum of its proper divisors (24844705618786).

45961971456638 is a wasteful number, since it uses less digits than its factorization.

45961971456638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480067.

The product of its digits is 1175731200, while the sum is 74.

The spelling of 45961971456638 in words is "forty-five trillion, nine hundred sixty-one billion, nine hundred seventy-one million, four hundred fifty-six thousand, six hundred thirty-eight".