14838391157 has 2 divisors, whose sum is σ = 14838391158. Its totient is φ = 14838391156.

The previous prime is 14838391153. The next prime is 14838391187. The reversal of 14838391157 is 75119383841.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13921876081 + 916515076 = 117991^2 + 30274^2 .

It is a cyclic number.

It is not a de Polignac number, because 14838391157 - 2² = 14838391153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14838391153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7419195578 + 7419195579.

It is an arithmetic number, because the mean of its divisors is an integer number (7419195579).

Almost surely, 2^14838391157 is an apocalyptic number.

It is an amenable number.

14838391157 is a deficient number, since it is larger than the sum of its proper divisors (1).

14838391157 is an equidigital number, since it uses as much as digits as its factorization.

14838391157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 50.

The spelling of 14838391157 in words is "fourteen billion, eight hundred thirty-eight million, three hundred ninety-one thousand, one hundred fifty-seven".