2672139923 has 2 divisors, whose sum is σ = 2672139924. Its totient is φ = 2672139922.

The previous prime is 2672139901. The next prime is 2672139929. The reversal of 2672139923 is 3299312762.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2672139923 - 2¹⁶ = 2672074387 is a prime.

It is not a weakly prime, because it can be changed into another prime (2672139929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1336069961 + 1336069962.

It is an arithmetic number, because the mean of its divisors is an integer number (1336069962).

Almost surely, 2^2672139923 is an apocalyptic number.

2672139923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2672139923 is an equidigital number, since it uses as much as digits as its factorization.

2672139923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 44.

The square root of 2672139923 is about 51692.7453614141. The cubic root of 2672139923 is about 1387.6706363525.

The spelling of 2672139923 in words is "two billion, six hundred seventy-two million, one hundred thirty-nine thousand, nine hundred twenty-three".