495361249557 has 8 divisors (see below), whose sum is σ = 681787526400. Its totient is φ = 319587902880.

The previous prime is 495361249529. The next prime is 495361249567. The reversal of 495361249557 is 755942163594.

It is a happy number.

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

It is not a de Polignac number, because 495361249557 - 2¹² = 495361245461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 495361249557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495361249507) 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, 2663232432 + ... + 2663232617.

It is an arithmetic number, because the mean of its divisors is an integer number (85223440800).

Almost surely, 2^495361249557 is an apocalyptic number.

It is an amenable number.

495361249557 is a deficient number, since it is larger than the sum of its proper divisors (186426276843).

495361249557 is a wasteful number, since it uses less digits than its factorization.

495361249557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326465083.

The product of its digits is 40824000, while the sum is 60.

The spelling of 495361249557 in words is "four hundred ninety-five billion, three hundred sixty-one million, two hundred forty-nine thousand, five hundred fifty-seven".