212744662634 has 16 divisors (see below), whose sum is σ = 364751648448. Its totient is φ = 91164655872.

The previous prime is 212744662579. The next prime is 212744662649. The reversal of 212744662634 is 436266447212.

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, 854852 + ... + 1075295.

It is an arithmetic number, because the mean of its divisors is an integer number (22796978028).

Almost surely, 2^212744662634 is an apocalyptic number.

212744662634 is a deficient number, since it is larger than the sum of its proper divisors (152006985814).

212744662634 is a wasteful number, since it uses less digits than its factorization.

212744662634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938029.

The product of its digits is 2322432, while the sum is 47.

The spelling of 212744662634 in words is "two hundred twelve billion, seven hundred forty-four million, six hundred sixty-two thousand, six hundred thirty-four".