61949631752 has 32 divisors (see below), whose sum is σ = 117118310400. Its totient is φ = 30718283904.

The previous prime is 61949631703. The next prime is 61949631767. The reversal of 61949631752 is 25713694916.

61949631752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61949631694 and 61949631703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2761493 + ... + 2783835.

It is an arithmetic number, because the mean of its divisors is an integer number (3659947200).

Almost surely, 2^61949631752 is an apocalyptic number.

It is an amenable number.

61949631752 is a deficient number, since it is larger than the sum of its proper divisors (55168678648).

61949631752 is a wasteful number, since it uses less digits than its factorization.

61949631752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25205 (or 25201 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 53.

The spelling of 61949631752 in words is "sixty-one billion, nine hundred forty-nine million, six hundred thirty-one thousand, seven hundred fifty-two".