13531795247 has 2 divisors, whose sum is σ = 13531795248. Its totient is φ = 13531795246.

The previous prime is 13531795187. The next prime is 13531795283. The reversal of 13531795247 is 74259713531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13531795247 - 2¹⁰ = 13531794223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13531797247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765897623 + 6765897624.

It is an arithmetic number, because the mean of its divisors is an integer number (6765897624).

Almost surely, 2^13531795247 is an apocalyptic number.

13531795247 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531795247 is an equidigital number, since it uses as much as digits as its factorization.

13531795247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 793800, while the sum is 47.

The spelling of 13531795247 in words is "thirteen billion, five hundred thirty-one million, seven hundred ninety-five thousand, two hundred forty-seven".