4627646431 has 2 divisors, whose sum is σ = 4627646432. Its totient is φ = 4627646430.

The previous prime is 4627646423. The next prime is 4627646453. The reversal of 4627646431 is 1346467264.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4627646431 - 2³ = 4627646423 is a prime.

It is a super-2 number, since 2×4627646431² = 42830222980694075522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4627646411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2313823215 + 2313823216.

It is an arithmetic number, because the mean of its divisors is an integer number (2313823216).

Almost surely, 2^4627646431 is an apocalyptic number.

4627646431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4627646431 is an equidigital number, since it uses as much as digits as its factorization.

4627646431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 43.

The square root of 4627646431 is about 68026.8067088262. The cubic root of 4627646431 is about 1666.4286488412.

The spelling of 4627646431 in words is "four billion, six hundred twenty-seven million, six hundred forty-six thousand, four hundred thirty-one".