2172364627 has 2 divisors, whose sum is σ = 2172364628. Its totient is φ = 2172364626.

The previous prime is 2172364619. The next prime is 2172364679. The reversal of 2172364627 is 7264632712.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2172364627 - 2³ = 2172364619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2172364627.

It is not a weakly prime, because it can be changed into another prime (2172361627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086182313 + 1086182314.

It is an arithmetic number, because the mean of its divisors is an integer number (1086182314).

Almost surely, 2^2172364627 is an apocalyptic number.

2172364627 is a deficient number, since it is larger than the sum of its proper divisors (1).

2172364627 is an equidigital number, since it uses as much as digits as its factorization.

2172364627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 40.

The square root of 2172364627 is about 46608.6325373315. The cubic root of 2172364627 is about 1295.1226762732.

The spelling of 2172364627 in words is "two billion, one hundred seventy-two million, three hundred sixty-four thousand, six hundred twenty-seven".