213546264532 has 6 divisors (see below), whose sum is σ = 373705962938. Its totient is φ = 106773132264.

The previous prime is 213546264523. The next prime is 213546264553. The reversal of 213546264532 is 235462645312.

It can be written as a sum of positive squares in only one way, i.e., 191882545936 + 21663718596 = 438044^2 + 147186^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26693283063 + ... + 26693283070.

Almost surely, 2^213546264532 is an apocalyptic number.

It is an amenable number.

213546264532 is a deficient number, since it is larger than the sum of its proper divisors (160159698406).

213546264532 is a wasteful number, since it uses less digits than its factorization.

213546264532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53386566137 (or 53386566135 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 43.

The spelling of 213546264532 in words is "two hundred thirteen billion, five hundred forty-six million, two hundred sixty-four thousand, five hundred thirty-two".