15484287647 has 2 divisors, whose sum is σ = 15484287648. Its totient is φ = 15484287646.

The previous prime is 15484287593. The next prime is 15484287661. The reversal of 15484287647 is 74678248451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15484287647 - 2²⁰ = 15483239071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15484287592 and 15484287601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15484287947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7742143823 + 7742143824.

It is an arithmetic number, because the mean of its divisors is an integer number (7742143824).

Almost surely, 2^15484287647 is an apocalyptic number.

15484287647 is a deficient number, since it is larger than the sum of its proper divisors (1).

15484287647 is an equidigital number, since it uses as much as digits as its factorization.

15484287647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12042240, while the sum is 56.

The spelling of 15484287647 in words is "fifteen billion, four hundred eighty-four million, two hundred eighty-seven thousand, six hundred forty-seven".