213631654413424 has 80 divisors (see below), whose sum is σ = 471985304319648. Its totient is φ = 92796515352576.

The previous prime is 213631654413389. The next prime is 213631654413427. The reversal of 213631654413424 is 424314456136312.

It is a super-2 number, since 2×213631654413424² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213631654413427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120535879 + ... + 122295385.

Almost surely, 2^{213631654413424} is an apocalyptic number.

It is an amenable number.

213631654413424 is an abundant number, since it is smaller than the sum of its proper divisors (258353649906224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213631654413424 is a wasteful number, since it uses less digits than its factorization.

213631654413424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793882 (or 1793876 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 49.

The spelling of 213631654413424 in words is "two hundred thirteen trillion, six hundred thirty-one billion, six hundred fifty-four million, four hundred thirteen thousand, four hundred twenty-four".