61384463955 has 32 divisors (see below), whose sum is σ = 109596352320. Its totient is φ = 32597856000.

The previous prime is 61384463929. The next prime is 61384463971. The reversal of 61384463955 is 55936448316.

61384463955 is a `hidden beast` number, since 6 + 13 + 84 + 463 + 95 + 5 = 666.

61384463955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61384463955 - 2²⁵ = 61350909523 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 944296 + ... + 1007205.

It is an arithmetic number, because the mean of its divisors is an integer number (3424886010).

Almost surely, 2^61384463955 is an apocalyptic number.

61384463955 is a deficient number, since it is larger than the sum of its proper divisors (48211888365).

61384463955 is a wasteful number, since it uses less digits than its factorization.

61384463955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951748 (or 1951742 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The spelling of 61384463955 in words is "sixty-one billion, three hundred eighty-four million, four hundred sixty-three thousand, nine hundred fifty-five".