2679492861 has 12 divisors (see below), whose sum is σ = 3870835488. Its totient is φ = 1786117704.

The previous prime is 2679492799. The next prime is 2679492869. The reversal of 2679492861 is 1682949762.

2679492861 is a `hidden beast` number, since 2 + 6 + 79 + 492 + 86 + 1 = 666.

It is not a de Polignac number, because 2679492861 - 2⁶ = 2679492797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2679492798 and 2679492807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2679492869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117736 + ... + 138638.

It is an arithmetic number, because the mean of its divisors is an integer number (322569624).

Almost surely, 2^2679492861 is an apocalyptic number.

It is an amenable number.

2679492861 is a deficient number, since it is larger than the sum of its proper divisors (1191342627).

2679492861 is a wasteful number, since it uses less digits than its factorization.

2679492861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35152 (or 35149 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 2679492861 is about 51763.8180682221. The cubic root of 2679492861 is about 1388.9422902535.

The spelling of 2679492861 in words is "two billion, six hundred seventy-nine million, four hundred ninety-two thousand, eight hundred sixty-one".