159621936190043 has 2 divisors, whose sum is σ = 159621936190044. Its totient is φ = 159621936190042.

The previous prime is 159621936189949. The next prime is 159621936190111. The reversal of 159621936190043 is 340091639126951.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159621936190043 is a prime.

It is a super-2 number, since 2×159621936190043² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (159621936120043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79810968095021 + 79810968095022.

It is an arithmetic number, because the mean of its divisors is an integer number (79810968095022).

Almost surely, 2^{159621936190043} is an apocalyptic number.

159621936190043 is a deficient number, since it is larger than the sum of its proper divisors (1).

159621936190043 is an equidigital number, since it uses as much as digits as its factorization.

159621936190043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9447840, while the sum is 59.

The spelling of 159621936190043 in words is "one hundred fifty-nine trillion, six hundred twenty-one billion, nine hundred thirty-six million, one hundred ninety thousand, forty-three".