1996106291 has 2 divisors, whose sum is σ = 1996106292. Its totient is φ = 1996106290.

The previous prime is 1996106239. The next prime is 1996106327. The reversal of 1996106291 is 1926016991.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1996106291 is a prime.

It is not a weakly prime, because it can be changed into another prime (1996106201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998053145 + 998053146.

It is an arithmetic number, because the mean of its divisors is an integer number (998053146).

Almost surely, 2^1996106291 is an apocalyptic number.

1996106291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1996106291 is an equidigital number, since it uses as much as digits as its factorization.

1996106291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 44.

The square root of 1996106291 is about 44677.8053512032. The cubic root of 1996106291 is about 1259.1028910643.

The spelling of 1996106291 in words is "one billion, nine hundred ninety-six million, one hundred six thousand, two hundred ninety-one".