15046223447 has 2 divisors, whose sum is σ = 15046223448. Its totient is φ = 15046223446.

The previous prime is 15046223389. The next prime is 15046223459. The reversal of 15046223447 is 74432264051.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15046223447 - 2¹⁶ = 15046157911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15046223447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15046223947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7523111723 + 7523111724.

It is an arithmetic number, because the mean of its divisors is an integer number (7523111724).

Almost surely, 2^15046223447 is an apocalyptic number.

15046223447 is a deficient number, since it is larger than the sum of its proper divisors (1).

15046223447 is an equidigital number, since it uses as much as digits as its factorization.

15046223447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 38.

Adding to 15046223447 its reverse (74432264051), we get a palindrome (89478487498).

The spelling of 15046223447 in words is "fifteen billion, forty-six million, two hundred twenty-three thousand, four hundred forty-seven".