6625326431 has 2 divisors, whose sum is σ = 6625326432. Its totient is φ = 6625326430.

The previous prime is 6625326419. The next prime is 6625326493. The reversal of 6625326431 is 1346235266.

It is a happy number.

6625326431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6625326431 - 2¹⁰ = 6625325407 is a prime.

It is a super-2 number, since 2×6625326431² = 87789900634614395522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6625326131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3312663215 + 3312663216.

It is an arithmetic number, because the mean of its divisors is an integer number (3312663216).

Almost surely, 2^6625326431 is an apocalyptic number.

6625326431 is a deficient number, since it is larger than the sum of its proper divisors (1).

6625326431 is an equidigital number, since it uses as much as digits as its factorization.

6625326431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 38.

The square root of 6625326431 is about 81396.1082054910. The cubic root of 6625326431 is about 1878.1737236005.

The spelling of 6625326431 in words is "six billion, six hundred twenty-five million, three hundred twenty-six thousand, four hundred thirty-one".