213573321065276 has 24 divisors (see below), whose sum is σ = 382870604239200. Its totient is φ = 104181738329600.

The previous prime is 213573321065231. The next prime is 213573321065309. The reversal of 213573321065276 is 672560123375312.

It is a super-2 number, since 2×213573321065276² (a number of 29 digits) contains 22 as substring.

It is a congruent 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, 47311841 + ... + 51629031.

It is an arithmetic number, because the mean of its divisors is an integer number (15952941843300).

Almost surely, 2^{213573321065276} is an apocalyptic number.

It is an amenable number.

213573321065276 is a deficient number, since it is larger than the sum of its proper divisors (169297283173924).

213573321065276 is a wasteful number, since it uses less digits than its factorization.

213573321065276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4618885 (or 4618883 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 53.

The spelling of 213573321065276 in words is "two hundred thirteen trillion, five hundred seventy-three billion, three hundred twenty-one million, sixty-five thousand, two hundred seventy-six".