13531198027 has 2 divisors, whose sum is σ = 13531198028. Its totient is φ = 13531198026.

The previous prime is 13531198007. The next prime is 13531198049. The reversal of 13531198027 is 72089113531.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13531198027 is a prime.

It is not a weakly prime, because it can be changed into another prime (13531198007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765599013 + 6765599014.

It is an arithmetic number, because the mean of its divisors is an integer number (6765599014).

Almost surely, 2^13531198027 is an apocalyptic number.

13531198027 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531198027 is an equidigital number, since it uses as much as digits as its factorization.

13531198027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 13531198027 in words is "thirteen billion, five hundred thirty-one million, one hundred ninety-eight thousand, twenty-seven".