61935853916 has 6 divisors (see below), whose sum is σ = 108387744360. Its totient is φ = 30967926956.

The previous prime is 61935853913. The next prime is 61935853939.

It is a happy number.

61935853916 is nontrivially palindromic in base 10.

61935853916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61935853913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7741981736 + ... + 7741981743.

It is an arithmetic number, because the mean of its divisors is an integer number (18064624060).

Almost surely, 2^61935853916 is an apocalyptic number.

It is an amenable number.

61935853916 is a deficient number, since it is larger than the sum of its proper divisors (46451890444).

61935853916 is a wasteful number, since it uses less digits than its factorization.

61935853916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15483963483 (or 15483963481 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 56.

The spelling of 61935853916 in words is "sixty-one billion, nine hundred thirty-five million, eight hundred fifty-three thousand, nine hundred sixteen".