13594819157 has 2 divisors, whose sum is σ = 13594819158. Its totient is φ = 13594819156.

The previous prime is 13594819103. The next prime is 13594819171. The reversal of 13594819157 is 75191849531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13558506481 + 36312676 = 116441^2 + 6026^2 .

It is a cyclic number.

It is not a de Polignac number, because 13594819157 - 2³² = 9299851861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13594819099 and 13594819108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13594819177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6797409578 + 6797409579.

It is an arithmetic number, because the mean of its divisors is an integer number (6797409579).

Almost surely, 2^13594819157 is an apocalyptic number.

It is an amenable number.

13594819157 is a deficient number, since it is larger than the sum of its proper divisors (1).

13594819157 is an equidigital number, since it uses as much as digits as its factorization.

13594819157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 53.

The spelling of 13594819157 in words is "thirteen billion, five hundred ninety-four million, eight hundred nineteen thousand, one hundred fifty-seven".