492669091 has 4 divisors (see below), whose sum is σ = 493341952. Its totient is φ = 491996232.

The previous prime is 492669053. The next prime is 492669101. The reversal of 492669091 is 190966294.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190966294 = 2 ⋅95483147.

It is a cyclic number.

It is not a de Polignac number, because 492669091 - 2⁷ = 492668963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492669691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335331 + ... + 336796.

It is an arithmetic number, because the mean of its divisors is an integer number (123335488).

Almost surely, 2^492669091 is an apocalyptic number.

492669091 is a deficient number, since it is larger than the sum of its proper divisors (672861).

492669091 is an equidigital number, since it uses as much as digits as its factorization.

492669091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672860.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 492669091 is about 22196.1503644213. The cubic root of 492669091 is about 789.8023812699.

The spelling of 492669091 in words is "four hundred ninety-two million, six hundred sixty-nine thousand, ninety-one".