1299064764894 has 32 divisors (see below), whose sum is σ = 2823655259040. Its totient is φ = 396045148032.

The previous prime is 1299064764887. The next prime is 1299064764911. The reversal of 1299064764894 is 4984674609921.

It is a congruent number.

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, 76389097 + ... + 76406100.

It is an arithmetic number, because the mean of its divisors is an integer number (88239226845).

Almost surely, 2^{1299064764894} is an apocalyptic number.

1299064764894 is an abundant number, since it is smaller than the sum of its proper divisors (1524590494146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1299064764894 is a wasteful number, since it uses less digits than its factorization.

1299064764894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152795324.

The product of its (nonzero) digits is 188116992, while the sum is 69.

The spelling of 1299064764894 in words is "one trillion, two hundred ninety-nine billion, sixty-four million, seven hundred sixty-four thousand, eight hundred ninety-four".