158962487389 has 2 divisors, whose sum is σ = 158962487390. Its totient is φ = 158962487388.

The previous prime is 158962487371. The next prime is 158962487429. The reversal of 158962487389 is 983784269851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113271287364 + 45691200025 = 336558^2 + 213755^2 .

It is an emirp because it is prime and its reverse (983784269851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158962487389 - 2⁷ = 158962487261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158962488389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79481243694 + 79481243695.

It is an arithmetic number, because the mean of its divisors is an integer number (79481243695).

Almost surely, 2^158962487389 is an apocalyptic number.

It is an amenable number.

158962487389 is a deficient number, since it is larger than the sum of its proper divisors (1).

158962487389 is an equidigital number, since it uses as much as digits as its factorization.

158962487389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209018880, while the sum is 70.

The spelling of 158962487389 in words is "one hundred fifty-eight billion, nine hundred sixty-two million, four hundred eighty-seven thousand, three hundred eighty-nine".