13522621874870 has 32 divisors (see below), whose sum is σ = 25606835143200. Its totient is φ = 5134012366336.

The previous prime is 13522621874791. The next prime is 13522621874947. The reversal of 13522621874870 is 7847812622531.

It is a happy number.

It is a super-2 number, since 2×13522621874870² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395150099 + ... + 395184318.

It is an arithmetic number, because the mean of its divisors is an integer number (800213598225).

Almost surely, 2^{13522621874870} is an apocalyptic number.

13522621874870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13522621874870 is a deficient number, since it is larger than the sum of its proper divisors (12084213268330).

13522621874870 is a wasteful number, since it uses less digits than its factorization.

13522621874870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790334512.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 13522621874870 in words is "thirteen trillion, five hundred twenty-two billion, six hundred twenty-one million, eight hundred seventy-four thousand, eight hundred seventy".