14428779137 has 2 divisors, whose sum is σ = 14428779138. Its totient is φ = 14428779136.

The previous prime is 14428779109. The next prime is 14428779139. The reversal of 14428779137 is 73197782441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13427942641 + 1000836496 = 115879^2 + 31636^2 .

It is a cyclic number.

It is not a de Polignac number, because 14428779137 - 2⁶ = 14428779073 is a prime.

Together with 14428779139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14428779139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7214389568 + 7214389569.

It is an arithmetic number, because the mean of its divisors is an integer number (7214389569).

Almost surely, 2^14428779137 is an apocalyptic number.

It is an amenable number.

14428779137 is a deficient number, since it is larger than the sum of its proper divisors (1).

14428779137 is an equidigital number, since it uses as much as digits as its factorization.

14428779137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2370816, while the sum is 53.

The spelling of 14428779137 in words is "fourteen billion, four hundred twenty-eight million, seven hundred seventy-nine thousand, one hundred thirty-seven".