2672375861 has 2 divisors, whose sum is σ = 2672375862. Its totient is φ = 2672375860.

The previous prime is 2672375791. The next prime is 2672375933. The reversal of 2672375861 is 1685732762.

2672375861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1433758225 + 1238617636 = 37865^2 + 35194^2 .

It is a cyclic number.

It is not a de Polignac number, because 2672375861 - 2²² = 2668181557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2672375161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1336187930 + 1336187931.

It is an arithmetic number, because the mean of its divisors is an integer number (1336187931).

Almost surely, 2^2672375861 is an apocalyptic number.

It is an amenable number.

2672375861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2672375861 is an equidigital number, since it uses as much as digits as its factorization.

2672375861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 47.

The square root of 2672375861 is about 51695.0274301117. The cubic root of 2672375861 is about 1387.7114768534.

The spelling of 2672375861 in words is "two billion, six hundred seventy-two million, three hundred seventy-five thousand, eight hundred sixty-one".