5178992994 has 24 divisors (see below), whose sum is σ = 12824173440. Its totient is φ = 1479712248.

The previous prime is 5178992993. The next prime is 5178993011. The reversal of 5178992994 is 4992998715.

5178992994 is a `hidden beast` number, since 517 + 8 + 9 + 9 + 29 + 94 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (5178992993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20551434 + ... + 20551685.

It is an arithmetic number, because the mean of its divisors is an integer number (534340560).

Almost surely, 2^5178992994 is an apocalyptic number.

5178992994 is an abundant number, since it is smaller than the sum of its proper divisors (7645180446).

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

5178992994 is a wasteful number, since it uses less digits than its factorization.

5178992994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41103134 (or 41103131 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 63.

The square root of 5178992994 is about 71965.2207250141. The cubic root of 5178992994 is about 1730.1421017737.

The spelling of 5178992994 in words is "five billion, one hundred seventy-eight million, nine hundred ninety-two thousand, nine hundred ninety-four".