445157871613 has 16 divisors (see below), whose sum is σ = 548342937856. Its totient is φ = 351919468800.

The previous prime is 445157871611. The next prime is 445157871659. The reversal of 445157871613 is 316178751544.

It is a cyclic number.

It is not a de Polignac number, because 445157871613 - 2¹ = 445157871611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445157871611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1927281 + ... + 2145862.

It is an arithmetic number, because the mean of its divisors is an integer number (34271433616).

Almost surely, 2^445157871613 is an apocalyptic number.

It is an amenable number.

445157871613 is a deficient number, since it is larger than the sum of its proper divisors (103185066243).

445157871613 is a wasteful number, since it uses less digits than its factorization.

445157871613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074364.

The product of its digits is 2822400, while the sum is 52.

The spelling of 445157871613 in words is "four hundred forty-five billion, one hundred fifty-seven million, eight hundred seventy-one thousand, six hundred thirteen".