196089631 has 2 divisors, whose sum is σ = 196089632. Its totient is φ = 196089630.

The previous prime is 196089587. The next prime is 196089653. The reversal of 196089631 is 136980691.

It is a strong prime.

It is an emirp because it is prime and its reverse (136980691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196089631 - 2⁹ = 196089119 is a prime.

It is a super-2 number, since 2×196089631² = 76902286771432322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196089661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98044815 + 98044816.

It is an arithmetic number, because the mean of its divisors is an integer number (98044816).

Almost surely, 2^196089631 is an apocalyptic number.

196089631 is a deficient number, since it is larger than the sum of its proper divisors (1).

196089631 is an equidigital number, since it uses as much as digits as its factorization.

196089631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 196089631 is about 14003.2007412591. The cubic root of 196089631 is about 580.9671053173.

The spelling of 196089631 in words is "one hundred ninety-six million, eighty-nine thousand, six hundred thirty-one".