196268278783 has 2 divisors, whose sum is σ = 196268278784. Its totient is φ = 196268278782.

The previous prime is 196268278781. The next prime is 196268278793. The reversal of 196268278783 is 387872862691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196268278783 - 2¹ = 196268278781 is a prime.

It is a super-2 number, since 2×196268278783² (a number of 23 digits) contains 22 as substring.

Together with 196268278781, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196268278781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98134139391 + 98134139392.

It is an arithmetic number, because the mean of its divisors is an integer number (98134139392).

Almost surely, 2^196268278783 is an apocalyptic number.

196268278783 is a deficient number, since it is larger than the sum of its proper divisors (1).

196268278783 is an equidigital number, since it uses as much as digits as its factorization.

196268278783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97542144, while the sum is 67.

The spelling of 196268278783 in words is "one hundred ninety-six billion, two hundred sixty-eight million, two hundred seventy-eight thousand, seven hundred eighty-three".