492140693 has 4 divisors (see below), whose sum is σ = 536880768. Its totient is φ = 447400620.

The previous prime is 492140639. The next prime is 492140749. The reversal of 492140693 is 396041294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 492140693 - 2¹² = 492136597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492140093) 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, 22370021 + ... + 22370042.

It is an arithmetic number, because the mean of its divisors is an integer number (134220192).

Almost surely, 2^492140693 is an apocalyptic number.

It is an amenable number.

492140693 is a deficient number, since it is larger than the sum of its proper divisors (44740075).

492140693 is a wasteful number, since it uses less digits than its factorization.

492140693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44740074.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 492140693 is about 22184.2442512699. The cubic root of 492140693 is about 789.5199203554.

The spelling of 492140693 in words is "four hundred ninety-two million, one hundred forty thousand, six hundred ninety-three".