61901473696 has 24 divisors (see below), whose sum is σ = 122013833760. Its totient is φ = 30913833408.

The previous prime is 61901473633. The next prime is 61901473747. The reversal of 61901473696 is 69637410916.

61901473696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125966 + ... + 1179661.

It is an arithmetic number, because the mean of its divisors is an integer number (5083909740).

Almost surely, 2^61901473696 is an apocalyptic number.

It is an amenable number.

61901473696 is a deficient number, since it is larger than the sum of its proper divisors (60112360064).

61901473696 is a wasteful number, since it uses less digits than its factorization.

61901473696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306476 (or 2306468 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 61901473696 in words is "sixty-one billion, nine hundred one million, four hundred seventy-three thousand, six hundred ninety-six".