6312637609 has 2 divisors, whose sum is σ = 6312637610. Its totient is φ = 6312637608.

The previous prime is 6312637579. The next prime is 6312637649. The reversal of 6312637609 is 9067362136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4247389584 + 2065248025 = 65172^2 + 45445^2 .

It is a cyclic number.

It is not a de Polignac number, because 6312637609 - 2⁷ = 6312637481 is a prime.

It is a super-2 number, since 2×6312637609² = 79698787165122473762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6312637649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3156318804 + 3156318805.

It is an arithmetic number, because the mean of its divisors is an integer number (3156318805).

Almost surely, 2^6312637609 is an apocalyptic number.

It is an amenable number.

6312637609 is a deficient number, since it is larger than the sum of its proper divisors (1).

6312637609 is an equidigital number, since it uses as much as digits as its factorization.

6312637609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 43.

The square root of 6312637609 is about 79452.1089021556. The cubic root of 6312637609 is about 1848.1488772735.

The spelling of 6312637609 in words is "six billion, three hundred twelve million, six hundred thirty-seven thousand, six hundred nine".