818814919470 has 32 divisors (see below), whose sum is σ = 1966671055008. Its totient is φ = 218182284288.

The previous prime is 818814919451. The next prime is 818814919513. The reversal of 818814919470 is 74919418818.

818814919470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10482999 + ... + 10560818.

It is an arithmetic number, because the mean of its divisors is an integer number (61458470469).

Almost surely, 2^818814919470 is an apocalyptic number.

818814919470 is an abundant number, since it is smaller than the sum of its proper divisors (1147856135538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

818814919470 is a wasteful number, since it uses less digits than its factorization.

818814919470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21045124.

The product of its (nonzero) digits is 4644864, while the sum is 60.

The spelling of 818814919470 in words is "eight hundred eighteen billion, eight hundred fourteen million, nine hundred nineteen thousand, four hundred seventy".