5022139987 has 4 divisors (see below), whose sum is σ = 5030280216. Its totient is φ = 5013999760.

The previous prime is 5022139973. The next prime is 5022140033. The reversal of 5022139987 is 7899312205.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5022139987 - 2¹⁹ = 5021615699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5022139957) 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, 4069189 + ... + 4070422.

It is an arithmetic number, because the mean of its divisors is an integer number (1257570054).

Almost surely, 2^5022139987 is an apocalyptic number.

5022139987 is a deficient number, since it is larger than the sum of its proper divisors (8140229).

5022139987 is an equidigital number, since it uses as much as digits as its factorization.

5022139987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8140228.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 5022139987 is about 70867.0585462668. The cubic root of 5022139987 is about 1712.4961535211.

The spelling of 5022139987 in words is "five billion, twenty-two million, one hundred thirty-nine thousand, nine hundred eighty-seven".