2605976972 has 12 divisors (see below), whose sum is σ = 4561041576. Its totient is φ = 1302822240.

The previous prime is 2605976957. The next prime is 2605976999. The reversal of 2605976972 is 2796795062.

It is a happy number.

It is a super-2 number, since 2×2605976972² = 13582231957188577568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2138 + ... + 72225.

It is an arithmetic number, because the mean of its divisors is an integer number (380086798).

Almost surely, 2^2605976972 is an apocalyptic number.

It is an amenable number.

2605976972 is a deficient number, since it is larger than the sum of its proper divisors (1955064604).

2605976972 is a wasteful number, since it uses less digits than its factorization.

2605976972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83128 (or 83126 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 53.

The square root of 2605976972 is about 51048.7705238824. The cubic root of 2605976972 is about 1376.1217463431.

The spelling of 2605976972 in words is "two billion, six hundred five million, nine hundred seventy-six thousand, nine hundred seventy-two".