745117886405 has 8 divisors (see below), whose sum is σ = 896440030200. Its totient is φ = 594561931456.

The previous prime is 745117886371. The next prime is 745117886483. The reversal of 745117886405 is 504688711547.

It can be written as a sum of positive squares in 4 ways, for example, as 25840884001 + 719277002404 = 160751^2 + 848102^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 745117886405 - 2¹² = 745117882309 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191545070 + ... + 191548959.

It is an arithmetic number, because the mean of its divisors is an integer number (112055003775).

Almost surely, 2^745117886405 is an apocalyptic number.

It is an amenable number.

745117886405 is a deficient number, since it is larger than the sum of its proper divisors (151322143795).

745117886405 is a wasteful number, since it uses less digits than its factorization.

745117886405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383094423.

The product of its (nonzero) digits is 7526400, while the sum is 56.

The spelling of 745117886405 in words is "seven hundred forty-five billion, one hundred seventeen million, eight hundred eighty-six thousand, four hundred five".