745649085239 has 2 divisors, whose sum is σ = 745649085240. Its totient is φ = 745649085238.

The previous prime is 745649085211. The next prime is 745649085253. The reversal of 745649085239 is 932580946547.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 745649085239 - 2³⁶ = 676929608503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745649082239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372824542619 + 372824542620.

It is an arithmetic number, because the mean of its divisors is an integer number (372824542620).

Almost surely, 2^745649085239 is an apocalyptic number.

745649085239 is a deficient number, since it is larger than the sum of its proper divisors (1).

745649085239 is an equidigital number, since it uses as much as digits as its factorization.

745649085239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65318400, while the sum is 62.

The spelling of 745649085239 in words is "seven hundred forty-five billion, six hundred forty-nine million, eighty-five thousand, two hundred thirty-nine".