461970975818 has 16 divisors (see below), whose sum is σ = 770215762656. Its totient is φ = 206024791440.

The previous prime is 461970975799. The next prime is 461970975841. The reversal of 461970975818 is 818579079164.

It is a Curzon 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, 198099596 + ... + 198101927.

It is an arithmetic number, because the mean of its divisors is an integer number (48138485166).

Almost surely, 2^461970975818 is an apocalyptic number.

461970975818 is a deficient number, since it is larger than the sum of its proper divisors (308244786838).

461970975818 is a wasteful number, since it uses less digits than its factorization.

461970975818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396201589.

The product of its (nonzero) digits is 30481920, while the sum is 65.

The spelling of 461970975818 in words is "four hundred sixty-one billion, nine hundred seventy million, nine hundred seventy-five thousand, eight hundred eighteen".