4475991431 has 2 divisors, whose sum is σ = 4475991432. Its totient is φ = 4475991430.

The previous prime is 4475991427. The next prime is 4475991437. The reversal of 4475991431 is 1341995744.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4475991431 - 2² = 4475991427 is a prime.

It is a super-2 number, since 2×4475991431² = 40068998580770855522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4475991437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2237995715 + 2237995716.

It is an arithmetic number, because the mean of its divisors is an integer number (2237995716).

Almost surely, 2^4475991431 is an apocalyptic number.

4475991431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4475991431 is an equidigital number, since it uses as much as digits as its factorization.

4475991431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The square root of 4475991431 is about 66902.8506941221. The cubic root of 4475991431 is about 1648.0222929508.

The spelling of 4475991431 in words is "four billion, four hundred seventy-five million, nine hundred ninety-one thousand, four hundred thirty-one".