2389990051 has 4 divisors (see below), whose sum is σ = 2390098792. Its totient is φ = 2389881312.

The previous prime is 2389990049. The next prime is 2389990087. The reversal of 2389990051 is 1500999832.

2389990051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2389990051 - 2¹ = 2389990049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2389989983 and 2389990010.

It is not an unprimeable number, because it can be changed into a prime (2389990151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8505 + ... + 69658.

It is an arithmetic number, because the mean of its divisors is an integer number (597524698).

Almost surely, 2^2389990051 is an apocalyptic number.

2389990051 is a deficient number, since it is larger than the sum of its proper divisors (108741).

2389990051 is an equidigital number, since it uses as much as digits as its factorization.

2389990051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108740.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 2389990051 is about 48887.5244924510. The cubic root of 2389990051 is about 1337.0019202961.

The spelling of 2389990051 in words is "two billion, three hundred eighty-nine million, nine hundred ninety thousand, fifty-one".