61363805742 has 32 divisors (see below), whose sum is σ = 142292885760. Its totient is φ = 19565271000.

The previous prime is 61363805717. The next prime is 61363805759. The reversal of 61363805742 is 24750836316.

61363805742 is a `hidden beast` number, since 6 + 1 + 3 + 638 + 0 + 5 + 7 + 4 + 2 = 666.

61363805742 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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24702384 + ... + 24704867.

It is an arithmetic number, because the mean of its divisors is an integer number (4446652680).

Almost surely, 2^61363805742 is an apocalyptic number.

61363805742 is an abundant number, since it is smaller than the sum of its proper divisors (80929080018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61363805742 is a wasteful number, since it uses less digits than its factorization.

61363805742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49407285 (or 49407279 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 61363805742 in words is "sixty-one billion, three hundred sixty-three million, eight hundred five thousand, seven hundred forty-two".