2721925667 has 2 divisors, whose sum is σ = 2721925668. Its totient is φ = 2721925666.

The previous prime is 2721925637. The next prime is 2721925699. The reversal of 2721925667 is 7665291272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2721925667 - 2²⁴ = 2705148451 is a prime.

It is not a weakly prime, because it can be changed into another prime (2721925627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360962833 + 1360962834.

It is an arithmetic number, because the mean of its divisors is an integer number (1360962834).

Almost surely, 2^2721925667 is an apocalyptic number.

2721925667 is a deficient number, since it is larger than the sum of its proper divisors (1).

2721925667 is an equidigital number, since it uses as much as digits as its factorization.

2721925667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 47.

The square root of 2721925667 is about 52172.0774648662. The cubic root of 2721925667 is about 1396.2357496768.

The spelling of 2721925667 in words is "two billion, seven hundred twenty-one million, nine hundred twenty-five thousand, six hundred sixty-seven".