495380502191 has 4 divisors (see below), whose sum is σ = 495590678712. Its totient is φ = 495170325672.

The previous prime is 495380502173. The next prime is 495380502223. The reversal of 495380502191 is 191205083594.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495380502191 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 (495380501191) 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, 105084725 + ... + 105089438.

It is an arithmetic number, because the mean of its divisors is an integer number (123897669678).

Almost surely, 2^495380502191 is an apocalyptic number.

495380502191 is a deficient number, since it is larger than the sum of its proper divisors (210176521).

495380502191 is a wasteful number, since it uses less digits than its factorization.

495380502191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210176520.

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 495380502191 in words is "four hundred ninety-five billion, three hundred eighty million, five hundred two thousand, one hundred ninety-one".