61952938641 has 48 divisors (see below), whose sum is σ = 103698054720. Its totient is φ = 36252357120.

The previous prime is 61952938637. The next prime is 61952938643. The reversal of 61952938641 is 14683925916.

It is not a de Polignac number, because 61952938641 - 2² = 61952938637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61952938643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125761 + ... + 373793.

It is an arithmetic number, because the mean of its divisors is an integer number (2160376140).

Almost surely, 2^61952938641 is an apocalyptic number.

It is an amenable number.

61952938641 is a deficient number, since it is larger than the sum of its proper divisors (41745116079).

61952938641 is a wasteful number, since it uses less digits than its factorization.

61952938641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248111 (or 248076 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The spelling of 61952938641 in words is "sixty-one billion, nine hundred fifty-two million, nine hundred thirty-eight thousand, six hundred forty-one".