5021620990 has 16 divisors (see below), whose sum is σ = 9570619152. Its totient is φ = 1890492544.

The previous prime is 5021620951. The next prime is 5021620999. The reversal of 5021620990 is 990261205.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021620999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14769304 + ... + 14769643.

It is an arithmetic number, because the mean of its divisors is an integer number (598163697).

Almost surely, 2^5021620990 is an apocalyptic number.

5021620990 is a deficient number, since it is larger than the sum of its proper divisors (4548998162).

5021620990 is a wasteful number, since it uses less digits than its factorization.

5021620990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29538971.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 5021620990 is about 70863.3966868651. The cubic root of 5021620990 is about 1712.4371606757.

The spelling of 5021620990 in words is "five billion, twenty-one million, six hundred twenty thousand, nine hundred ninety".