6469742431 has 2 divisors, whose sum is σ = 6469742432. Its totient is φ = 6469742430.

The previous prime is 6469742417. The next prime is 6469742437. The reversal of 6469742431 is 1342479646.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6469742431 - 2¹⁹ = 6469218143 is a prime.

It is a super-2 number, since 2×6469742431² = 83715134246963579522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6469742437) 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, 3234871215 + 3234871216.

It is an arithmetic number, because the mean of its divisors is an integer number (3234871216).

Almost surely, 2^6469742431 is an apocalyptic number.

6469742431 is a deficient number, since it is larger than the sum of its proper divisors (1).

6469742431 is an equidigital number, since it uses as much as digits as its factorization.

6469742431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 46.

The square root of 6469742431 is about 80434.7091186386. The cubic root of 6469742431 is about 1863.3552602289.

The spelling of 6469742431 in words is "six billion, four hundred sixty-nine million, seven hundred forty-two thousand, four hundred thirty-one".