6140626631 has 2 divisors, whose sum is σ = 6140626632. Its totient is φ = 6140626630.

The previous prime is 6140626607. The next prime is 6140626633. The reversal of 6140626631 is 1366260416.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6140626631 is a prime.

It is a super-2 number, since 2×6140626631² = 75414590842692820322, which contains 22 as substring.

Together with 6140626633, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6140626591 and 6140626600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6140626633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3070313315 + 3070313316.

It is an arithmetic number, because the mean of its divisors is an integer number (3070313316).

Almost surely, 2^6140626631 is an apocalyptic number.

6140626631 is a deficient number, since it is larger than the sum of its proper divisors (1).

6140626631 is an equidigital number, since it uses as much as digits as its factorization.

6140626631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 6140626631 is about 78362.1505000979. The cubic root of 6140626631 is about 1831.2075232864.

The spelling of 6140626631 in words is "six billion, one hundred forty million, six hundred twenty-six thousand, six hundred thirty-one".