15402530047 has 2 divisors, whose sum is σ = 15402530048. Its totient is φ = 15402530046.

The previous prime is 15402529999. The next prime is 15402530051. The reversal of 15402530047 is 74003520451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15402530047 - 2²³ = 15394141439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15402530447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7701265023 + 7701265024.

It is an arithmetic number, because the mean of its divisors is an integer number (7701265024).

Almost surely, 2^15402530047 is an apocalyptic number.

15402530047 is a deficient number, since it is larger than the sum of its proper divisors (1).

15402530047 is an equidigital number, since it uses as much as digits as its factorization.

15402530047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The spelling of 15402530047 in words is "fifteen billion, four hundred two million, five hundred thirty thousand, forty-seven".