4206972431 has 2 divisors, whose sum is σ = 4206972432. Its totient is φ = 4206972430.

The previous prime is 4206972379. The next prime is 4206972449. The reversal of 4206972431 is 1342796024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4206972431 is a prime.

It is a super-2 number, since 2×4206972431² = 35397234070388099522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4206972331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2103486215 + 2103486216.

It is an arithmetic number, because the mean of its divisors is an integer number (2103486216).

Almost surely, 2^4206972431 is an apocalyptic number.

4206972431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4206972431 is an equidigital number, since it uses as much as digits as its factorization.

4206972431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 4206972431 is about 64861.1781499535. The cubic root of 4206972431 is about 1614.3209714629.

The spelling of 4206972431 in words is "four billion, two hundred six million, nine hundred seventy-two thousand, four hundred thirty-one".