496418991 has 4 divisors (see below), whose sum is σ = 661891992. Its totient is φ = 330945992.

The previous prime is 496418983. The next prime is 496419017. The reversal of 496418991 is 199814694.

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

It is a cyclic number.

It is not a de Polignac number, because 496418991 - 2³ = 496418983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (496418941) 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, 82736496 + ... + 82736501.

It is an arithmetic number, because the mean of its divisors is an integer number (165472998).

Almost surely, 2^496418991 is an apocalyptic number.

496418991 is a deficient number, since it is larger than the sum of its proper divisors (165473001).

496418991 is a wasteful number, since it uses less digits than its factorization.

496418991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165473000.

The product of its digits is 559872, while the sum is 51.

The square root of 496418991 is about 22280.4620912583. The cubic root of 496418991 is about 791.8011518060.

The spelling of 496418991 in words is "four hundred ninety-six million, four hundred eighteen thousand, nine hundred ninety-one".