158950254889 has 4 divisors (see below), whose sum is σ = 161949316356. Its totient is φ = 155951193424.

The previous prime is 158950254877. The next prime is 158950254893. The reversal of 158950254889 is 988452059851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 988452059851 = 10453 ⋅94561567.

It can be written as a sum of positive squares in 2 ways, for example, as 137405886489 + 21544368400 = 370683^2 + 146780^2 .

It is a cyclic number.

It is not a de Polignac number, because 158950254889 - 2⁷ = 158950254761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158950254889.

It is not an unprimeable number, because it can be changed into a prime (158950254839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1499530654 + ... + 1499530759.

It is an arithmetic number, because the mean of its divisors is an integer number (40487329089).

Almost surely, 2^158950254889 is an apocalyptic number.

It is an amenable number.

158950254889 is a deficient number, since it is larger than the sum of its proper divisors (2999061467).

158950254889 is an equidigital number, since it uses as much as digits as its factorization.

158950254889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2999061466.

The product of its (nonzero) digits is 41472000, while the sum is 64.

It can be divided in two parts, 1589502 and 54889, that added together give a triangular number (1644391 = T₁₈₁₃).

The spelling of 158950254889 in words is "one hundred fifty-eight billion, nine hundred fifty million, two hundred fifty-four thousand, eight hundred eighty-nine".