2642160923 has 2 divisors, whose sum is σ = 2642160924. Its totient is φ = 2642160922.

The previous prime is 2642160821. The next prime is 2642160931. The reversal of 2642160923 is 3290612462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2642160923 - 2¹² = 2642156827 is a prime.

It is not a weakly prime, because it can be changed into another prime (2642160943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321080461 + 1321080462.

It is an arithmetic number, because the mean of its divisors is an integer number (1321080462).

Almost surely, 2^2642160923 is an apocalyptic number.

2642160923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642160923 is an equidigital number, since it uses as much as digits as its factorization.

2642160923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 2642160923 is about 51401.9544667321. The cubic root of 2642160923 is about 1382.4616364063.

The spelling of 2642160923 in words is "two billion, six hundred forty-two million, one hundred sixty thousand, nine hundred twenty-three".