13532019971 has 2 divisors, whose sum is σ = 13532019972. Its totient is φ = 13532019970.

The previous prime is 13532019961. The next prime is 13532020013. The reversal of 13532019971 is 17991023531.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13532019971 is a prime.

It is not a weakly prime, because it can be changed into another prime (13532019911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6766009985 + 6766009986.

It is an arithmetic number, because the mean of its divisors is an integer number (6766009986).

Almost surely, 2^13532019971 is an apocalyptic number.

13532019971 is a deficient number, since it is larger than the sum of its proper divisors (1).

13532019971 is an equidigital number, since it uses as much as digits as its factorization.

13532019971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 41.

The spelling of 13532019971 in words is "thirteen billion, five hundred thirty-two million, nineteen thousand, nine hundred seventy-one".