196480813 has 2 divisors, whose sum is σ = 196480814. Its totient is φ = 196480812.

The previous prime is 196480703. The next prime is 196480831. The reversal of 196480813 is 318084691.

Together with next prime (196480831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193849929 + 2630884 = 13923^2 + 1622^2 .

It is a cyclic number.

It is not a de Polignac number, because 196480813 - 2⁹ = 196480301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196480013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98240406 + 98240407.

It is an arithmetic number, because the mean of its divisors is an integer number (98240407).

Almost surely, 2^196480813 is an apocalyptic number.

It is an amenable number.

196480813 is a deficient number, since it is larger than the sum of its proper divisors (1).

196480813 is an equidigital number, since it uses as much as digits as its factorization.

196480813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 196480813 is about 14017.1613745437. The cubic root of 196480813 is about 581.3531752254.

The spelling of 196480813 in words is "one hundred ninety-six million, four hundred eighty thousand, eight hundred thirteen".