492377636197 has 4 divisors (see below), whose sum is σ = 505685139916. Its totient is φ = 479070132480.

The previous prime is 492377636087. The next prime is 492377636207. The reversal of 492377636197 is 791636773294.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 168691739841 + 323685896356 = 410721^2 + 568934^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492377636197 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 (492377636897) 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, 6653751804 + ... + 6653751877.

It is an arithmetic number, because the mean of its divisors is an integer number (126421284979).

Almost surely, 2^492377636197 is an apocalyptic number.

It is an amenable number.

492377636197 is a deficient number, since it is larger than the sum of its proper divisors (13307503719).

492377636197 is a wasteful number, since it uses less digits than its factorization.

492377636197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13307503718.

The product of its digits is 72013536, while the sum is 64.

The spelling of 492377636197 in words is "four hundred ninety-two billion, three hundred seventy-seven million, six hundred thirty-six thousand, one hundred ninety-seven".