492661951 has 8 divisors (see below), whose sum is σ = 510399104. Its totient is φ = 475040160.

The previous prime is 492661931. The next prime is 492661973. The reversal of 492661951 is 159166294.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 492661951 - 2⁹ = 492661439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 492661898 and 492661907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492661931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20100 + ... + 37273.

It is an arithmetic number, because the mean of its divisors is an integer number (63799888).

Almost surely, 2^492661951 is an apocalyptic number.

492661951 is a deficient number, since it is larger than the sum of its proper divisors (17737153).

492661951 is a wasteful number, since it uses less digits than its factorization.

492661951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57681.

The product of its digits is 116640, while the sum is 43.

The square root of 492661951 is about 22195.9895251372. The cubic root of 492661951 is about 789.7985658515.

The spelling of 492661951 in words is "four hundred ninety-two million, six hundred sixty-one thousand, nine hundred fifty-one".