213573473064 has 80 divisors (see below), whose sum is σ = 683661132000. Its totient is φ = 61020991008.

The previous prime is 213573473039. The next prime is 213573473119. The reversal of 213573473064 is 460374375312.

213573473064 is a `hidden beast` number, since 2 + 1 + 3 + 573 + 4 + 73 + 0 + 6 + 4 = 666.

213573473064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213573473064² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23537514 + ... + 23546585.

It is an arithmetic number, because the mean of its divisors is an integer number (8545764150).

Almost surely, 2^213573473064 is an apocalyptic number.

213573473064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

213573473064 is an abundant number, since it is smaller than the sum of its proper divisors (470087658936).

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

213573473064 is a wasteful number, since it uses less digits than its factorization.

213573473064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47084124 (or 47084111 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 45.

The spelling of 213573473064 in words is "two hundred thirteen billion, five hundred seventy-three million, four hundred seventy-three thousand, sixty-four".