159438580537 has 2 divisors, whose sum is σ = 159438580538. Its totient is φ = 159438580536.

The previous prime is 159438580519. The next prime is 159438580559. The reversal of 159438580537 is 735085834951.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152471506576 + 6967073961 = 390476^2 + 83469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159438580537 is a prime.

It is not a weakly prime, because it can be changed into another prime (159438580517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79719290268 + 79719290269.

It is an arithmetic number, because the mean of its divisors is an integer number (79719290269).

Almost surely, 2^159438580537 is an apocalyptic number.

It is an amenable number.

159438580537 is a deficient number, since it is larger than the sum of its proper divisors (1).

159438580537 is an equidigital number, since it uses as much as digits as its factorization.

159438580537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144000, while the sum is 58.

The spelling of 159438580537 in words is "one hundred fifty-nine billion, four hundred thirty-eight million, five hundred eighty thousand, five hundred thirty-seven".