2150664431 has 2 divisors, whose sum is σ = 2150664432. Its totient is φ = 2150664430.

The previous prime is 2150664421. The next prime is 2150664487. The reversal of 2150664431 is 1344660512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2150664431 - 2⁶ = 2150664367 is a prime.

It is a super-2 number, since 2×2150664431² = 9250714989537107522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2150664421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075332215 + 1075332216.

It is an arithmetic number, because the mean of its divisors is an integer number (1075332216).

Almost surely, 2^2150664431 is an apocalyptic number.

2150664431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150664431 is an equidigital number, since it uses as much as digits as its factorization.

2150664431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2150664431 is about 46375.2566677533. The cubic root of 2150664431 is about 1290.7958214654.

The spelling of 2150664431 in words is "two billion, one hundred fifty million, six hundred sixty-four thousand, four hundred thirty-one".