495193851 has 16 divisors (see below), whose sum is σ = 744572800. Its totient is φ = 325200744.

The previous prime is 495193843. The next prime is 495193861. The reversal of 495193851 is 158391594.

It is not a de Polignac number, because 495193851 - 2³ = 495193843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 495193797 and 495193806.

It is not an unprimeable number, because it can be changed into a prime (495193801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135061 + ... + 138678.

It is an arithmetic number, because the mean of its divisors is an integer number (46535800).

Almost surely, 2^495193851 is an apocalyptic number.

495193851 is a deficient number, since it is larger than the sum of its proper divisors (249378949).

495193851 is a wasteful number, since it uses less digits than its factorization.

495193851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273815 (or 273809 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 495193851 is about 22252.9515121028. The cubic root of 495193851 is about 791.1492385336.

The spelling of 495193851 in words is "four hundred ninety-five million, one hundred ninety-three thousand, eight hundred fifty-one".