2406642631 has 2 divisors, whose sum is σ = 2406642632. Its totient is φ = 2406642630.

The previous prime is 2406642607. The next prime is 2406642659. The reversal of 2406642631 is 1362466042.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2406642631 is a prime.

It is a super-2 number, since 2×2406642631² = 11583857506693204322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2406642671) 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, 1203321315 + 1203321316.

It is an arithmetic number, because the mean of its divisors is an integer number (1203321316).

Almost surely, 2^2406642631 is an apocalyptic number.

2406642631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2406642631 is an equidigital number, since it uses as much as digits as its factorization.

2406642631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 2406642631 is about 49057.5440783576. The cubic root of 2406642631 is about 1340.0999834433.

The spelling of 2406642631 in words is "two billion, four hundred six million, six hundred forty-two thousand, six hundred thirty-one".