2113746167647 has 4 divisors (see below), whose sum is σ = 2205648174960. Its totient is φ = 2021844160336.

The previous prime is 2113746167623. The next prime is 2113746167653. The reversal of 2113746167647 is 7467616473112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2113746167647 - 2¹⁵ = 2113746134879 is a prime.

It is a super-2 number, since 2×2113746167647² (a number of 25 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 (2113746165647) 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, 45951003622 + ... + 45951003667.

It is an arithmetic number, because the mean of its divisors is an integer number (551412043740).

Almost surely, 2^{2113746167647} is an apocalyptic number.

2113746167647 is a deficient number, since it is larger than the sum of its proper divisors (91902007313).

2113746167647 is an equidigital number, since it uses as much as digits as its factorization.

2113746167647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91902007312.

The product of its digits is 7112448, while the sum is 55.

The spelling of 2113746167647 in words is "two trillion, one hundred thirteen billion, seven hundred forty-six million, one hundred sixty-seven thousand, six hundred forty-seven".