2109769672 has 64 divisors (see below), whose sum is σ = 4098600000. Its totient is φ = 1017719040.

The previous prime is 2109769667. The next prime is 2109769681. The reversal of 2109769672 is 2769679012.

It is a super-2 number, since 2×2109769672² = 8902256137781975168, which contains 22 as substring.

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, 9212854 + ... + 9213082.

It is an arithmetic number, because the mean of its divisors is an integer number (64040625).

Almost surely, 2^2109769672 is an apocalyptic number.

It is an amenable number.

2109769672 is a deficient number, since it is larger than the sum of its proper divisors (1988830328).

2109769672 is a wasteful number, since it uses less digits than its factorization.

2109769672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 2109769672 is about 45932.2291207383. The cubic root of 2109769672 is about 1282.5619407530.

The spelling of 2109769672 in words is "two billion, one hundred nine million, seven hundred sixty-nine thousand, six hundred seventy-two".