159869295490 has 16 divisors (see below), whose sum is σ = 295542157752. Its totient is φ = 62219401344.

The previous prime is 159869295473. The next prime is 159869295511. The reversal of 159869295490 is 94592968951.

It can be written as a sum of positive squares in 4 ways, for example, as 156880158561 + 2989136929 = 396081^2 + 54673^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216039219 + ... + 216039958.

Almost surely, 2^159869295490 is an apocalyptic number.

159869295490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159869295490 is a deficient number, since it is larger than the sum of its proper divisors (135672862262).

159869295490 is a wasteful number, since it uses less digits than its factorization.

159869295490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432079221.

The product of its (nonzero) digits is 62985600, while the sum is 67.

The spelling of 159869295490 in words is "one hundred fifty-nine billion, eight hundred sixty-nine million, two hundred ninety-five thousand, four hundred ninety".