13531144019 has 2 divisors, whose sum is σ = 13531144020. Its totient is φ = 13531144018.

The previous prime is 13531143943. The next prime is 13531144043. The reversal of 13531144019 is 91044113531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13531144019 - 2⁸ = 13531143763 is a prime.

It is a super-2 number, since 2×13531144019² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13531144069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765572009 + 6765572010.

It is an arithmetic number, because the mean of its divisors is an integer number (6765572010).

Almost surely, 2^13531144019 is an apocalyptic number.

13531144019 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531144019 is an equidigital number, since it uses as much as digits as its factorization.

13531144019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 13531144019 in words is "thirteen billion, five hundred thirty-one million, one hundred forty-four thousand, nineteen".