1445679660838 has 16 divisors (see below), whose sum is σ = 2608745253120. Its totient is φ = 586967681736.

The previous prime is 1445679660787. The next prime is 1445679660851. The reversal of 1445679660838 is 8380669765441.

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, 2717442706 + ... + 2717443237.

It is an arithmetic number, because the mean of its divisors is an integer number (163046578320).

Almost surely, 2^{1445679660838} is an apocalyptic number.

1445679660838 is a deficient number, since it is larger than the sum of its proper divisors (1163065592282).

1445679660838 is a wasteful number, since it uses less digits than its factorization.

1445679660838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5434885971.

The product of its (nonzero) digits is 209018880, while the sum is 67.

The spelling of 1445679660838 in words is "one trillion, four hundred forty-five billion, six hundred seventy-nine million, six hundred sixty thousand, eight hundred thirty-eight".