159230621869 has 4 divisors (see below), whose sum is σ = 173706132960. Its totient is φ = 144755110780.

The previous prime is 159230621857. The next prime is 159230621971. The reversal of 159230621869 is 968126032951.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 159230621869 - 2¹³ = 159230613677 is a prime.

It is a super-2 number, since 2×159230621869² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159230621269) 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, 7237755529 + ... + 7237755550.

It is an arithmetic number, because the mean of its divisors is an integer number (43426533240).

Almost surely, 2^159230621869 is an apocalyptic number.

It is an amenable number.

159230621869 is a deficient number, since it is larger than the sum of its proper divisors (14475511091).

159230621869 is a wasteful number, since it uses less digits than its factorization.

159230621869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14475511090.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 159230621869 in words is "one hundred fifty-nine billion, two hundred thirty million, six hundred twenty-one thousand, eight hundred sixty-nine".