211632263464 has 16 divisors (see below), whose sum is σ = 400901325300. Its totient is φ = 104725243392.

The previous prime is 211632263459. The next prime is 211632263467. The reversal of 211632263464 is 464362236112.

It can be written as a sum of positive squares in 2 ways, for example, as 197795446564 + 13836816900 = 444742^2 + 117630^2 .

It is not an unprimeable number, because it can be changed into a prime (211632263467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136360219 + ... + 136361770.

Almost surely, 2^211632263464 is an apocalyptic number.

It is an amenable number.

211632263464 is a deficient number, since it is larger than the sum of its proper divisors (189269061836).

211632263464 is a wasteful number, since it uses less digits than its factorization.

211632263464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272722092 (or 272722088 counting only the distinct ones).

The product of its digits is 248832, while the sum is 40.

Adding to 211632263464 its reverse (464362236112), we get a palindrome (675994499576).

The spelling of 211632263464 in words is "two hundred eleven billion, six hundred thirty-two million, two hundred sixty-three thousand, four hundred sixty-four".