213738177244 has 12 divisors (see below), whose sum is σ = 390304497744. Its totient is φ = 102222606464.

The previous prime is 213738177229. The next prime is 213738177251. The reversal of 213738177244 is 442771837312.

213738177244 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161620437 + ... + 1161620620.

It is an arithmetic number, because the mean of its divisors is an integer number (32525374812).

Almost surely, 2^213738177244 is an apocalyptic number.

It is an amenable number.

213738177244 is a deficient number, since it is larger than the sum of its proper divisors (176566320500).

213738177244 is a wasteful number, since it uses less digits than its factorization.

213738177244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323241084 (or 2323241082 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 49.

The spelling of 213738177244 in words is "two hundred thirteen billion, seven hundred thirty-eight million, one hundred seventy-seven thousand, two hundred forty-four".