13621342204620 has 36 divisors (see below), whose sum is σ = 41318071354560. Its totient is φ = 3632357921184.

The previous prime is 13621342204573. The next prime is 13621342204637. The reversal of 13621342204620 is 2640224312631.

13621342204620 is a `hidden beast` number, since 1 + 3 + 6 + 2 + 1 + 3 + 4 + 2 + 20 + 4 + 620 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37837061500 + ... + 37837061859.

Almost surely, 2^{13621342204620} is an apocalyptic number.

13621342204620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13621342204620 is an abundant number, since it is smaller than the sum of its proper divisors (27696729149940).

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

13621342204620 is a wasteful number, since it uses less digits than its factorization.

13621342204620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75674123374 (or 75674123369 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 13621342204620 in words is "thirteen trillion, six hundred twenty-one billion, three hundred forty-two million, two hundred four thousand, six hundred twenty".