745917391465 has 16 divisors (see below), whose sum is σ = 908502974208. Its totient is φ = 587800008576.

The previous prime is 745917391403. The next prime is 745917391493. The reversal of 745917391465 is 564193719547.

It is a cyclic number.

It is not a de Polignac number, because 745917391465 - 2¹³ = 745917383273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10087869 + ... + 10161541.

It is an arithmetic number, because the mean of its divisors is an integer number (56781435888).

Almost surely, 2^745917391465 is an apocalyptic number.

It is an amenable number.

745917391465 is a deficient number, since it is larger than the sum of its proper divisors (162585582743).

745917391465 is a wasteful number, since it uses less digits than its factorization.

745917391465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103968.

The product of its digits is 28576800, while the sum is 61.

The spelling of 745917391465 in words is "seven hundred forty-five billion, nine hundred seventeen million, three hundred ninety-one thousand, four hundred sixty-five".