4505742623642 has 32 divisors (see below), whose sum is σ = 7732990112400. Its totient is φ = 1953597477888.

The previous prime is 4505742623521. The next prime is 4505742623659. The reversal of 4505742623642 is 2463262475054.

It can be written as a sum of positive squares in 8 ways, for example, as 1096294855681 + 3409447767961 = 1047041^2 + 1846469^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80725967 + ... + 80781762.

Almost surely, 2^{4505742623642} is an apocalyptic number.

4505742623642 is a deficient number, since it is larger than the sum of its proper divisors (3227247488758).

4505742623642 is a wasteful number, since it uses less digits than its factorization.

4505742623642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161507810.

The product of its (nonzero) digits is 9676800, while the sum is 50.

The spelling of 4505742623642 in words is "four trillion, five hundred five billion, seven hundred forty-two million, six hundred twenty-three thousand, six hundred forty-two".