196673539 has 2 divisors, whose sum is σ = 196673540. Its totient is φ = 196673538.

The previous prime is 196673531. The next prime is 196673557. The reversal of 196673539 is 935376691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196673539 - 2³ = 196673531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196673492 and 196673501.

It is not a weakly prime, because it can be changed into another prime (196673531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98336769 + 98336770.

It is an arithmetic number, because the mean of its divisors is an integer number (98336770).

Almost surely, 2^196673539 is an apocalyptic number.

196673539 is a deficient number, since it is larger than the sum of its proper divisors (1).

196673539 is an equidigital number, since it uses as much as digits as its factorization.

196673539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 918540, while the sum is 49.

The square root of 196673539 is about 14024.0343339568. The cubic root of 196673539 is about 581.5431942180.

The spelling of 196673539 in words is "one hundred ninety-six million, six hundred seventy-three thousand, five hundred thirty-nine".