745618192449 has 16 divisors (see below), whose sum is σ = 1075110892800. Its totient is φ = 456922118016.

The previous prime is 745618192447. The next prime is 745618192469. The reversal of 745618192449 is 944291816547.

It is not a de Polignac number, because 745618192449 - 2¹ = 745618192447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 745618192392 and 745618192401.

It is not an unprimeable number, because it can be changed into a prime (745618192447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39987364 + ... + 40006005.

It is an arithmetic number, because the mean of its divisors is an integer number (67194430800).

Almost surely, 2^745618192449 is an apocalyptic number.

It is an amenable number.

745618192449 is a deficient number, since it is larger than the sum of its proper divisors (329492700351).

745618192449 is a wasteful number, since it uses less digits than its factorization.

745618192449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79993624.

The product of its digits is 17418240, while the sum is 60.

The spelling of 745618192449 in words is "seven hundred forty-five billion, six hundred eighteen million, one hundred ninety-two thousand, four hundred forty-nine".