9492172867 has 2 divisors, whose sum is σ = 9492172868. Its totient is φ = 9492172866.

The previous prime is 9492172829. The next prime is 9492172939. The reversal of 9492172867 is 7682712949.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9492172867 is a prime.

It is not a weakly prime, because it can be changed into another prime (9492172667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4746086433 + 4746086434.

It is an arithmetic number, because the mean of its divisors is an integer number (4746086434).

Almost surely, 2^9492172867 is an apocalyptic number.

9492172867 is a deficient number, since it is larger than the sum of its proper divisors (1).

9492172867 is an equidigital number, since it uses as much as digits as its factorization.

9492172867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 55.

The square root of 9492172867 is about 97427.7828291294. The cubic root of 9492172867 is about 2117.3299769675.

The spelling of 9492172867 in words is "nine billion, four hundred ninety-two million, one hundred seventy-two thousand, eight hundred sixty-seven".