13533425297 has 12 divisors (see below), whose sum is σ = 16669021860. Its totient is φ = 10917720576.

The previous prime is 13533425281. The next prime is 13533425329. The reversal of 13533425297 is 79252433531.

It can be written as a sum of positive squares in 2 ways, for example, as 8873451601 + 4659973696 = 94199^2 + 68264^2 .

It is not a de Polignac number, because 13533425297 - 2⁴ = 13533425281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13533425237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8122472 + ... + 8124137.

It is an arithmetic number, because the mean of its divisors is an integer number (1389085155).

Almost surely, 2^13533425297 is an apocalyptic number.

13533425297 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13533425297 is a deficient number, since it is larger than the sum of its proper divisors (3135596563).

13533425297 is a wasteful number, since it uses less digits than its factorization.

13533425297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16246640 (or 16246633 counting only the distinct ones).

The product of its digits is 680400, while the sum is 44.

The spelling of 13533425297 in words is "thirteen billion, five hundred thirty-three million, four hundred twenty-five thousand, two hundred ninety-seven".