15143794747 has 2 divisors, whose sum is σ = 15143794748. Its totient is φ = 15143794746.

The previous prime is 15143794741. The next prime is 15143794759. The reversal of 15143794747 is 74749734151.

It is a weak prime.

It is an emirp because it is prime and its reverse (74749734151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15143794747 - 2²⁷ = 15009577019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15143794694 and 15143794703.

It is not a weakly prime, because it can be changed into another prime (15143794741) 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, 7571897373 + 7571897374.

It is an arithmetic number, because the mean of its divisors is an integer number (7571897374).

Almost surely, 2^15143794747 is an apocalyptic number.

15143794747 is a deficient number, since it is larger than the sum of its proper divisors (1).

15143794747 is an equidigital number, since it uses as much as digits as its factorization.

15143794747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2963520, while the sum is 52.

The spelling of 15143794747 in words is "fifteen billion, one hundred forty-three million, seven hundred ninety-four thousand, seven hundred forty-seven".