492607631391 has 8 divisors (see below), whose sum is σ = 657874699824. Its totient is φ = 327872825280.

The previous prime is 492607631377. The next prime is 492607631429. The reversal of 492607631391 is 193136706294.

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

It is not a de Polignac number, because 492607631391 - 2¹⁹ = 492607107103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492607621391) 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, 133063420 + ... + 133067121.

It is an arithmetic number, because the mean of its divisors is an integer number (82234337478).

Almost surely, 2^492607631391 is an apocalyptic number.

492607631391 is a deficient number, since it is larger than the sum of its proper divisors (165267068433).

492607631391 is a wasteful number, since it uses less digits than its factorization.

492607631391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266131161.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The spelling of 492607631391 in words is "four hundred ninety-two billion, six hundred seven million, six hundred thirty-one thousand, three hundred ninety-one".