159261424769 has 16 divisors (see below), whose sum is σ = 172726087680. Its totient is φ = 146372780160.

The previous prime is 159261424757. The next prime is 159261424783. The reversal of 159261424769 is 967424162951.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159261424769 is a prime.

It is a super-2 number, since 2×159261424769² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (159261424169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 856577 + ... + 1025790.

It is an arithmetic number, because the mean of its divisors is an integer number (10795380480).

Almost surely, 2^159261424769 is an apocalyptic number.

159261424769 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

159261424769 is a deficient number, since it is larger than the sum of its proper divisors (13464662911).

159261424769 is a wasteful number, since it uses less digits than its factorization.

159261424769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882520.

The product of its digits is 6531840, while the sum is 56.

The spelling of 159261424769 in words is "one hundred fifty-nine billion, two hundred sixty-one million, four hundred twenty-four thousand, seven hundred sixty-nine".