15530230943 has 2 divisors, whose sum is σ = 15530230944. Its totient is φ = 15530230942.

The previous prime is 15530230931. The next prime is 15530230973. The reversal of 15530230943 is 34903203551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15530230943 - 2¹² = 15530226847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15530230973) 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, 7765115471 + 7765115472.

It is an arithmetic number, because the mean of its divisors is an integer number (7765115472).

Almost surely, 2^15530230943 is an apocalyptic number.

15530230943 is a deficient number, since it is larger than the sum of its proper divisors (1).

15530230943 is an equidigital number, since it uses as much as digits as its factorization.

15530230943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 35.

The spelling of 15530230943 in words is "fifteen billion, five hundred thirty million, two hundred thirty thousand, nine hundred forty-three".