15420473759 has 2 divisors, whose sum is σ = 15420473760. Its totient is φ = 15420473758.

The previous prime is 15420473753. The next prime is 15420473773. The reversal of 15420473759 is 95737402451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15420473759 - 2⁴ = 15420473743 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15420473753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7710236879 + 7710236880.

It is an arithmetic number, because the mean of its divisors is an integer number (7710236880).

Almost surely, 2^15420473759 is an apocalyptic number.

15420473759 is a deficient number, since it is larger than the sum of its proper divisors (1).

15420473759 is an equidigital number, since it uses as much as digits as its factorization.

15420473759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 15420473759 in words is "fifteen billion, four hundred twenty million, four hundred seventy-three thousand, seven hundred fifty-nine".