6894498431 has 2 divisors, whose sum is σ = 6894498432. Its totient is φ = 6894498430.

The previous prime is 6894498409. The next prime is 6894498491. The reversal of 6894498431 is 1348944986.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6894498431 is a prime.

It is a super-2 number, since 2×6894498431² = 95068217230122923522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6894498491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3447249215 + 3447249216.

It is an arithmetic number, because the mean of its divisors is an integer number (3447249216).

Almost surely, 2^6894498431 is an apocalyptic number.

6894498431 is a deficient number, since it is larger than the sum of its proper divisors (1).

6894498431 is an equidigital number, since it uses as much as digits as its factorization.

6894498431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5971968, while the sum is 56.

The square root of 6894498431 is about 83033.1164716825. The cubic root of 6894498431 is about 1903.2721483217.

The spelling of 6894498431 in words is "six billion, eight hundred ninety-four million, four hundred ninety-eight thousand, four hundred thirty-one".