2689371264 has 64 divisors (see below), whose sum is σ = 7519644000. Its totient is φ = 849272832.

The previous prime is 2689371203. The next prime is 2689371281. The reversal of 2689371264 is 4621739862.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 177009 + ... + 191600.

Almost surely, 2^2689371264 is an apocalyptic number.

2689371264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2689371264 is an abundant number, since it is smaller than the sum of its proper divisors (4830272736).

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

2689371264 is a wasteful number, since it uses less digits than its factorization.

2689371264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368645 (or 368633 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 2689371264 is about 51859.1483154130. The cubic root of 2689371264 is about 1390.6470537825.

The spelling of 2689371264 in words is "two billion, six hundred eighty-nine million, three hundred seventy-one thousand, two hundred sixty-four".