992493431 has 2 divisors, whose sum is σ = 992493432. Its totient is φ = 992493430.

The previous prime is 992493413. The next prime is 992493479. The reversal of 992493431 is 134394299.

Together with previous prime (992493413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 992493431 - 2¹⁸ = 992231287 is a prime.

It is a super-2 number, since 2×992493431² = 1970086421156303522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (992493331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496246715 + 496246716.

It is an arithmetic number, because the mean of its divisors is an integer number (496246716).

Almost surely, 2^992493431 is an apocalyptic number.

992493431 is a deficient number, since it is larger than the sum of its proper divisors (1).

992493431 is an equidigital number, since it uses as much as digits as its factorization.

992493431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 44.

The square root of 992493431 is about 31503.8637471660. The cubic root of 992493431 is about 997.4915231387.

The spelling of 992493431 in words is "nine hundred ninety-two million, four hundred ninety-three thousand, four hundred thirty-one".