13636238701989 has 8 divisors (see below), whose sum is σ = 18191746918912. Its totient is φ = 9085778143200.

The previous prime is 13636238701957. The next prime is 13636238701993. The reversal of 13636238701989 is 98910783263631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13636238701989 - 2⁵ = 13636238701957 is a prime.

It is a super-2 number, since 2×13636238701989² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13636238701289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261908229 + ... + 1261919034.

It is an arithmetic number, because the mean of its divisors is an integer number (2273968364864).

Almost surely, 2^{13636238701989} is an apocalyptic number.

It is an amenable number.

13636238701989 is a deficient number, since it is larger than the sum of its proper divisors (4555508216923).

13636238701989 is a wasteful number, since it uses less digits than its factorization.

13636238701989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523829067.

The product of its (nonzero) digits is 70543872, while the sum is 66.

The spelling of 13636238701989 in words is "thirteen trillion, six hundred thirty-six billion, two hundred thirty-eight million, seven hundred one thousand, nine hundred eighty-nine".