495642815 has 8 divisors (see below), whose sum is σ = 595754880. Its totient is φ = 395858592.

The previous prime is 495642793. The next prime is 495642821. The reversal of 495642815 is 518246594.

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 495642815 - 2⁸ = 495642559 is a prime.

It is a super-2 number, since 2×495642815² = 491323600122248450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78620 + ... + 84689.

It is an arithmetic number, because the mean of its divisors is an integer number (74469360).

Almost surely, 2^495642815 is an apocalyptic number.

495642815 is a deficient number, since it is larger than the sum of its proper divisors (100112065).

495642815 is a wasteful number, since it uses less digits than its factorization.

495642815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163921.

The product of its digits is 345600, while the sum is 44.

The square root of 495642815 is about 22263.0369671346. The cubic root of 495642815 is about 791.3882629307.

The spelling of 495642815 in words is "four hundred ninety-five million, six hundred forty-two thousand, eight hundred fifteen".