15480742679 has 2 divisors, whose sum is σ = 15480742680. Its totient is φ = 15480742678.

The previous prime is 15480742663. The next prime is 15480742703. The reversal of 15480742679 is 97624708451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15480742679 - 2⁴ = 15480742663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15480742679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15480742609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7740371339 + 7740371340.

It is an arithmetic number, because the mean of its divisors is an integer number (7740371340).

Almost surely, 2^15480742679 is an apocalyptic number.

15480742679 is a deficient number, since it is larger than the sum of its proper divisors (1).

15480742679 is an equidigital number, since it uses as much as digits as its factorization.

15480742679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 15480742679 in words is "fifteen billion, four hundred eighty million, seven hundred forty-two thousand, six hundred seventy-nine".