2139524719 has 2 divisors, whose sum is σ = 2139524720. Its totient is φ = 2139524718.

The previous prime is 2139524687. The next prime is 2139524831. The reversal of 2139524719 is 9174259312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2139524719 - 2⁵ = 2139524687 is a prime.

It is a super-2 number, since 2×2139524719² = 9155132046424057922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2139524419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069762359 + 1069762360.

It is an arithmetic number, because the mean of its divisors is an integer number (1069762360).

Almost surely, 2^2139524719 is an apocalyptic number.

2139524719 is a deficient number, since it is larger than the sum of its proper divisors (1).

2139524719 is an equidigital number, since it uses as much as digits as its factorization.

2139524719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 43.

The square root of 2139524719 is about 46254.9966922494. The cubic root of 2139524719 is about 1288.5633343858.

The spelling of 2139524719 in words is "two billion, one hundred thirty-nine million, five hundred twenty-four thousand, seven hundred nineteen".