13523098973 has 2 divisors, whose sum is σ = 13523098974. Its totient is φ = 13523098972.

The previous prime is 13523098937. The next prime is 13523099041. The reversal of 13523098973 is 37989032531.

Together with previous prime (13523098937) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8424853369 + 5098245604 = 91787^2 + 71402^2 .

It is a cyclic number.

It is not a de Polignac number, because 13523098973 - 2¹⁰ = 13523097949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13523098903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6761549486 + 6761549487.

It is an arithmetic number, because the mean of its divisors is an integer number (6761549487).

Almost surely, 2^13523098973 is an apocalyptic number.

It is an amenable number.

13523098973 is a deficient number, since it is larger than the sum of its proper divisors (1).

13523098973 is an equidigital number, since it uses as much as digits as its factorization.

13523098973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 13523098973 in words is "thirteen billion, five hundred twenty-three million, ninety-eight thousand, nine hundred seventy-three".