4207998631 has 2 divisors, whose sum is σ = 4207998632. Its totient is φ = 4207998630.

The previous prime is 4207998607. The next prime is 4207998659. The reversal of 4207998631 is 1368997024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4207998631 - 2¹⁵ = 4207965863 is a prime.

It is a super-2 number, since 2×4207998631² = 35414504956995748322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4207998331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2103999315 + 2103999316.

It is an arithmetic number, because the mean of its divisors is an integer number (2103999316).

Almost surely, 2^4207998631 is an apocalyptic number.

4207998631 is a deficient number, since it is larger than the sum of its proper divisors (1).

4207998631 is an equidigital number, since it uses as much as digits as its factorization.

4207998631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 4207998631 is about 64869.0884088870. The cubic root of 4207998631 is about 1614.4522203620.

The spelling of 4207998631 in words is "four billion, two hundred seven million, nine hundred ninety-eight thousand, six hundred thirty-one".