213622637260 has 12 divisors (see below), whose sum is σ = 448607538288. Its totient is φ = 85449054896.

The previous prime is 213622637209. The next prime is 213622637309. The reversal of 213622637260 is 62736226312.

It is a happy number.

It is a super-2 number, since 2×213622637260² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5340565912 + ... + 5340565951.

It is an arithmetic number, because the mean of its divisors is an integer number (37383961524).

Almost surely, 2^213622637260 is an apocalyptic number.

213622637260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213622637260 is an abundant number, since it is smaller than the sum of its proper divisors (234984901028).

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

213622637260 is a wasteful number, since it uses less digits than its factorization.

213622637260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10681131872 (or 10681131870 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 213622637260 in words is "two hundred thirteen billion, six hundred twenty-two million, six hundred thirty-seven thousand, two hundred sixty".