745611775999 has 4 divisors (see below), whose sum is σ = 746291459664. Its totient is φ = 744932092336.

The previous prime is 745611775967. The next prime is 745611776003. The reversal of 745611775999 is 999577116547.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 745611775999 - 2⁵ = 745611775967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745611775919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339840187 + ... + 339842380.

It is an arithmetic number, because the mean of its divisors is an integer number (186572864916).

Almost surely, 2^745611775999 is an apocalyptic number.

745611775999 is a deficient number, since it is larger than the sum of its proper divisors (679683665).

745611775999 is a wasteful number, since it uses less digits than its factorization.

745611775999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679683664.

The product of its digits is 150028200, while the sum is 70.

The spelling of 745611775999 in words is "seven hundred forty-five billion, six hundred eleven million, seven hundred seventy-five thousand, nine hundred ninety-nine".