5185974990 has 32 divisors (see below), whose sum is σ = 14224389120. Its totient is φ = 1185365664.

The previous prime is 5185974977. The next prime is 5185975009. The reversal of 5185974990 is 994795815.

It is a self number, because there is not a number n which added to its sum of digits gives 5185974990.

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, 12347350 + ... + 12347769.

It is an arithmetic number, because the mean of its divisors is an integer number (444512160).

Almost surely, 2^5185974990 is an apocalyptic number.

5185974990 is an abundant number, since it is smaller than the sum of its proper divisors (9038414130).

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

5185974990 is a wasteful number, since it uses less digits than its factorization.

5185974990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24695136.

The product of its (nonzero) digits is 4082400, while the sum is 57.

The square root of 5185974990 is about 72013.7139022839. The cubic root of 5185974990 is about 1730.9192426116.

The spelling of 5185974990 in words is "five billion, one hundred eighty-five million, nine hundred seventy-four thousand, nine hundred ninety".