64818212854 has 8 divisors (see below), whose sum is σ = 97353100800. Its totient is φ = 32367179256.

The previous prime is 64818212747. The next prime is 64818213001. The reversal of 64818212854 is 45821281846.

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

It is a junction number, because it is equal to n+sod(n) for n = 64818212798 and 64818212807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20961654 + ... + 20964745.

It is an arithmetic number, because the mean of its divisors is an integer number (12169137600).

Almost surely, 2^64818212854 is an apocalyptic number.

64818212854 is a deficient number, since it is larger than the sum of its proper divisors (32534887946).

64818212854 is a wasteful number, since it uses less digits than its factorization.

64818212854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41927174.

The product of its digits is 983040, while the sum is 49.

The spelling of 64818212854 in words is "sixty-four billion, eight hundred eighteen million, two hundred twelve thousand, eight hundred fifty-four".