8159383901 has 2 divisors, whose sum is σ = 8159383902. Its totient is φ = 8159383900.

The previous prime is 8159383891. The next prime is 8159383909. The reversal of 8159383901 is 1093839518.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7749280900 + 410103001 = 88030^2 + 20251^2 .

It is a cyclic number.

It is not a de Polignac number, because 8159383901 - 2²² = 8155189597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8159383909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4079691950 + 4079691951.

It is an arithmetic number, because the mean of its divisors is an integer number (4079691951).

Almost surely, 2^8159383901 is an apocalyptic number.

It is an amenable number.

8159383901 is a deficient number, since it is larger than the sum of its proper divisors (1).

8159383901 is an equidigital number, since it uses as much as digits as its factorization.

8159383901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 8159383901 is about 90329.3080954349. The cubic root of 8159383901 is about 2013.1947496060.

The spelling of 8159383901 in words is "eight billion, one hundred fifty-nine million, three hundred eighty-three thousand, nine hundred one".