15802338089 has 2 divisors, whose sum is σ = 15802338090. Its totient is φ = 15802338088.

The previous prime is 15802338077. The next prime is 15802338091. The reversal of 15802338089 is 98083320851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15748242064 + 54096025 = 125492^2 + 7355^2 .

It is a cyclic number.

It is not a de Polignac number, because 15802338089 - 2³² = 11507370793 is a prime.

Together with 15802338091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15802338289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7901169044 + 7901169045.

It is an arithmetic number, because the mean of its divisors is an integer number (7901169045).

Almost surely, 2^15802338089 is an apocalyptic number.

It is an amenable number.

15802338089 is a deficient number, since it is larger than the sum of its proper divisors (1).

15802338089 is an equidigital number, since it uses as much as digits as its factorization.

15802338089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 15802338089 in words is "fifteen billion, eight hundred two million, three hundred thirty-eight thousand, eighty-nine".