5021620989 has 48 divisors (see below), whose sum is σ = 8623696896. Its totient is φ = 2569644000.

The previous prime is 5021620951. The next prime is 5021620999. The reversal of 5021620989 is 9890261205.

It is not a de Polignac number, because 5021620989 - 2⁹ = 5021620477 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5021620989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021620949) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85164 + ... + 131514.

It is an arithmetic number, because the mean of its divisors is an integer number (179660352).

Almost surely, 2^5021620989 is an apocalyptic number.

It is an amenable number.

5021620989 is a deficient number, since it is larger than the sum of its proper divisors (3602075907).

5021620989 is a wasteful number, since it uses less digits than its factorization.

5021620989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46446 (or 46439 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 5021620989 is about 70863.3966798092. The cubic root of 5021620989 is about 1712.4371605620.

The spelling of 5021620989 in words is "five billion, twenty-one million, six hundred twenty thousand, nine hundred eighty-nine".