2676021957 has 36 divisors (see below), whose sum is σ = 4538547936. Its totient is φ = 1514837520.

The previous prime is 2676021919. The next prime is 2676021973. The reversal of 2676021957 is 7591206762.

2676021957 is a `hidden beast` number, since 26 + 7 + 602 + 19 + 5 + 7 = 666.

2676021957 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2676021957 - 2⁸ = 2676021701 is a prime.

It is a super-2 number, since 2×2676021957² = 14322187028692219698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2676021977) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18832 + ... + 75542.

It is an arithmetic number, because the mean of its divisors is an integer number (126070776).

Almost surely, 2^2676021957 is an apocalyptic number.

It is an amenable number.

2676021957 is a deficient number, since it is larger than the sum of its proper divisors (1862525979).

2676021957 is a wasteful number, since it uses less digits than its factorization.

2676021957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56838 (or 56828 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 2676021957 is about 51730.2808517410. The cubic root of 2676021957 is about 1388.3423050209.

The spelling of 2676021957 in words is "two billion, six hundred seventy-six million, twenty-one thousand, nine hundred fifty-seven".