745038339139 has 2 divisors, whose sum is σ = 745038339140. Its totient is φ = 745038339138.

The previous prime is 745038339113. The next prime is 745038339161. The reversal of 745038339139 is 931933830547.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 745038339139 - 2³⁷ = 607599385667 is a prime.

It is a super-2 number, since 2×745038339139² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 745038339139.

It is not a weakly prime, because it can be changed into another prime (745038337139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372519169569 + 372519169570.

It is an arithmetic number, because the mean of its divisors is an integer number (372519169570).

Almost surely, 2^745038339139 is an apocalyptic number.

745038339139 is a deficient number, since it is larger than the sum of its proper divisors (1).

745038339139 is an equidigital number, since it uses as much as digits as its factorization.

745038339139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7348320, while the sum is 55.

The spelling of 745038339139 in words is "seven hundred forty-five billion, thirty-eight million, three hundred thirty-nine thousand, one hundred thirty-nine".