2689763684 has 6 divisors (see below), whose sum is σ = 4707086454. Its totient is φ = 1344881840.

The previous prime is 2689763683. The next prime is 2689763689. The reversal of 2689763684 is 4863679862.

It can be written as a sum of positive squares in only one way, i.e., 2393166400 + 296597284 = 48920^2 + 17222^2 .

It is not an unprimeable number, because it can be changed into a prime (2689763683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336220457 + ... + 336220464.

It is an arithmetic number, because the mean of its divisors is an integer number (784514409).

Almost surely, 2^2689763684 is an apocalyptic number.

It is an amenable number.

2689763684 is a deficient number, since it is larger than the sum of its proper divisors (2017322770).

2689763684 is a wasteful number, since it uses less digits than its factorization.

2689763684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672440925 (or 672440923 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 59.

The square root of 2689763684 is about 51862.9316949977. The cubic root of 2689763684 is about 1390.7146893154.

The spelling of 2689763684 in words is "two billion, six hundred eighty-nine million, seven hundred sixty-three thousand, six hundred eighty-four".