13872872149 has 2 divisors, whose sum is σ = 13872872150. Its totient is φ = 13872872148.

The previous prime is 13872872087. The next prime is 13872872159. The reversal of 13872872149 is 94127827831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13843169649 + 29702500 = 117657^2 + 5450^2 .

It is a cyclic number.

It is not a de Polignac number, because 13872872149 - 2⁹ = 13872871637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13872872096 and 13872872105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13872872159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6936436074 + 6936436075.

It is an arithmetic number, because the mean of its divisors is an integer number (6936436075).

Almost surely, 2^13872872149 is an apocalyptic number.

It is an amenable number.

13872872149 is a deficient number, since it is larger than the sum of its proper divisors (1).

13872872149 is an equidigital number, since it uses as much as digits as its factorization.

13872872149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 52.

The spelling of 13872872149 in words is "thirteen billion, eight hundred seventy-two million, eight hundred seventy-two thousand, one hundred forty-nine".