13155701731669 has 4 divisors (see below), whose sum is σ = 15035087693344. Its totient is φ = 11276315769996.

The previous prime is 13155701731619. The next prime is 13155701731703. The reversal of 13155701731669 is 96613710755131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13155701731669 - 2²⁹ = 13155164860757 is a prime.

It is a super-2 number, since 2×13155701731669² (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 (13155701731619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 939692980827 + ... + 939692980840.

It is an arithmetic number, because the mean of its divisors is an integer number (3758771923336).

Almost surely, 2^{13155701731669} is an apocalyptic number.

It is an amenable number.

13155701731669 is a deficient number, since it is larger than the sum of its proper divisors (1879385961675).

13155701731669 is an equidigital number, since it uses as much as digits as its factorization.

13155701731669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879385961674.

The product of its (nonzero) digits is 3572100, while the sum is 55.

The spelling of 13155701731669 in words is "thirteen trillion, one hundred fifty-five billion, seven hundred one million, seven hundred thirty-one thousand, six hundred sixty-nine".