213776752546 has 16 divisors (see below), whose sum is σ = 366480792576. Its totient is φ = 91617018336.

The previous prime is 213776752529. The next prime is 213776752577. The reversal of 213776752546 is 645257677312.

213776752546 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 2×213776752546² (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 7 ways as a sum of consecutive naturals, for example, 1095615 + ... + 1275901.

It is an arithmetic number, because the mean of its divisors is an integer number (22905049536).

Almost surely, 2^213776752546 is an apocalyptic number.

213776752546 is a deficient number, since it is larger than the sum of its proper divisors (152704040030).

213776752546 is a wasteful number, since it uses less digits than its factorization.

213776752546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264993.

The product of its digits is 14817600, while the sum is 55.

The spelling of 213776752546 in words is "two hundred thirteen billion, seven hundred seventy-six million, seven hundred fifty-two thousand, five hundred forty-six".