15144355979 has 2 divisors, whose sum is σ = 15144355980. Its totient is φ = 15144355978.

The previous prime is 15144355951. The next prime is 15144355981. The reversal of 15144355979 is 97955344151.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15144355979 is a prime.

Together with 15144355981, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15144355979.

It is not a weakly prime, because it can be changed into another prime (15144655979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7572177989 + 7572177990.

It is an arithmetic number, because the mean of its divisors is an integer number (7572177990).

Almost surely, 2^15144355979 is an apocalyptic number.

15144355979 is a deficient number, since it is larger than the sum of its proper divisors (1).

15144355979 is an equidigital number, since it uses as much as digits as its factorization.

15144355979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402000, while the sum is 53.

The spelling of 15144355979 in words is "fifteen billion, one hundred forty-four million, three hundred fifty-five thousand, nine hundred seventy-nine".