7380931139 has 2 divisors, whose sum is σ = 7380931140. Its totient is φ = 7380931138.

The previous prime is 7380931133. The next prime is 7380931177. The reversal of 7380931139 is 9311390837.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7380931139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7380931139.

It is not a weakly prime, because it can be changed into another prime (7380931133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3690465569 + 3690465570.

It is an arithmetic number, because the mean of its divisors is an integer number (3690465570).

Almost surely, 2^7380931139 is an apocalyptic number.

7380931139 is a deficient number, since it is larger than the sum of its proper divisors (1).

7380931139 is an equidigital number, since it uses as much as digits as its factorization.

7380931139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 7380931139 is about 85912.3456727844. The cubic root of 7380931139 is about 1947.0198738311.

The spelling of 7380931139 in words is "seven billion, three hundred eighty million, nine hundred thirty-one thousand, one hundred thirty-nine".