61900137374 has 4 divisors (see below), whose sum is σ = 92850206064. Its totient is φ = 30950068686.

The previous prime is 61900137359. The next prime is 61900137407. The reversal of 61900137374 is 47373100916.

61900137374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15475034342 + ... + 15475034345.

It is an arithmetic number, because the mean of its divisors is an integer number (23212551516).

Almost surely, 2^61900137374 is an apocalyptic number.

61900137374 is a deficient number, since it is larger than the sum of its proper divisors (30950068690).

61900137374 is a wasteful number, since it uses less digits than its factorization.

61900137374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30950068689.

The product of its (nonzero) digits is 95256, while the sum is 41.

The spelling of 61900137374 in words is "sixty-one billion, nine hundred million, one hundred thirty-seven thousand, three hundred seventy-four".