36621636671147 has 12 divisors (see below), whose sum is σ = 40913428539648. Its totient is φ = 32746619967600.

The previous prime is 36621636671143. The next prime is 36621636671149. The reversal of 36621636671147 is 74117663612663.

It is a happy number.

It is not a de Polignac number, because 36621636671147 - 2² = 36621636671143 is a prime.

It is a super-2 number, since 2×36621636671147² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36621636671143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2480797163 + ... + 2480811924.

It is an arithmetic number, because the mean of its divisors is an integer number (3409452378304).

Almost surely, 2^{36621636671147} is an apocalyptic number.

36621636671147 is a deficient number, since it is larger than the sum of its proper divisors (4291791868501).

36621636671147 is a wasteful number, since it uses less digits than its factorization.

36621636671147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4961609170 (or 4961609159 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 59.

The spelling of 36621636671147 in words is "thirty-six trillion, six hundred twenty-one billion, six hundred thirty-six million, six hundred seventy-one thousand, one hundred forty-seven".