15532340189 has 2 divisors, whose sum is σ = 15532340190. Its totient is φ = 15532340188.

The previous prime is 15532340183. The next prime is 15532340203. The reversal of 15532340189 is 98104323551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14967564964 + 564775225 = 122342^2 + 23765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15532340189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15532340183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7766170094 + 7766170095.

It is an arithmetic number, because the mean of its divisors is an integer number (7766170095).

Almost surely, 2^15532340189 is an apocalyptic number.

It is an amenable number.

15532340189 is a deficient number, since it is larger than the sum of its proper divisors (1).

15532340189 is an equidigital number, since it uses as much as digits as its factorization.

15532340189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 15532340189 in words is "fifteen billion, five hundred thirty-two million, three hundred forty thousand, one hundred eighty-nine".