2672646865 has 16 divisors (see below), whose sum is σ = 3783582720. Its totient is φ = 1773552960.

The previous prime is 2672646853. The next prime is 2672646887. The reversal of 2672646865 is 5686462762.

It is not a de Polignac number, because 2672646865 - 2⁷ = 2672646737 is a prime.

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, 1230550 + ... + 1232719.

It is an arithmetic number, because the mean of its divisors is an integer number (236473920).

Almost surely, 2^2672646865 is an apocalyptic number.

It is an amenable number.

2672646865 is a deficient number, since it is larger than the sum of its proper divisors (1110935855).

2672646865 is a wasteful number, since it uses less digits than its factorization.

2672646865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463312.

The product of its digits is 5806080, while the sum is 52.

The square root of 2672646865 is about 51697.6485442036. The cubic root of 2672646865 is about 1387.7583842583.

The spelling of 2672646865 in words is "two billion, six hundred seventy-two million, six hundred forty-six thousand, eight hundred sixty-five".