5203021986 has 32 divisors (see below), whose sum is σ = 11567580480. Its totient is φ = 1733544288.

The previous prime is 5203021939. The next prime is 5203021987. The reversal of 5203021986 is 6891203025.

5203021986 is a `hidden beast` number, since 520 + 30 + 21 + 9 + 86 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5203021986.

It is not an unprimeable number, because it can be changed into a prime (5203021987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103065 + ... + 145011.

It is an arithmetic number, because the mean of its divisors is an integer number (361486890).

Almost surely, 2^5203021986 is an apocalyptic number.

5203021986 is an abundant number, since it is smaller than the sum of its proper divisors (6364558494).

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

5203021986 is a wasteful number, since it uses less digits than its factorization.

5203021986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44255 (or 44249 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 5203021986 is about 72131.9761686868. The cubic root of 5203021986 is about 1732.8137562597.

The spelling of 5203021986 in words is "five billion, two hundred three million, twenty-one thousand, nine hundred eighty-six".