13453532537 has 2 divisors, whose sum is σ = 13453532538. Its totient is φ = 13453532536.

The previous prime is 13453532461. The next prime is 13453532549. The reversal of 13453532537 is 73523535431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11320108816 + 2133423721 = 106396^2 + 46189^2 .

It is a cyclic number.

It is not a de Polignac number, because 13453532537 - 2³⁰ = 12379790713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13453532494 and 13453532503.

It is not a weakly prime, because it can be changed into another prime (13453532567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6726766268 + 6726766269.

It is an arithmetic number, because the mean of its divisors is an integer number (6726766269).

Almost surely, 2^13453532537 is an apocalyptic number.

It is an amenable number.

13453532537 is a deficient number, since it is larger than the sum of its proper divisors (1).

13453532537 is an equidigital number, since it uses as much as digits as its factorization.

13453532537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 567000, while the sum is 41.

The spelling of 13453532537 in words is "thirteen billion, four hundred fifty-three million, five hundred thirty-two thousand, five hundred thirty-seven".