196570739 has 2 divisors, whose sum is σ = 196570740. Its totient is φ = 196570738.

The previous prime is 196570733. The next prime is 196570753. The reversal of 196570739 is 937075691.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (937075691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196570739 - 2⁸ = 196570483 is a prime.

It is a super-2 number, since 2×196570739² = 77280110862012242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 196570693 and 196570702.

It is not a weakly prime, because it can be changed into another prime (196570733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98285369 + 98285370.

It is an arithmetic number, because the mean of its divisors is an integer number (98285370).

Almost surely, 2^196570739 is an apocalyptic number.

196570739 is a deficient number, since it is larger than the sum of its proper divisors (1).

196570739 is an equidigital number, since it uses as much as digits as its factorization.

196570739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 357210, while the sum is 47.

The square root of 196570739 is about 14020.3687184039. The cubic root of 196570739 is about 581.4418535907.

The spelling of 196570739 in words is "one hundred ninety-six million, five hundred seventy thousand, seven hundred thirty-nine".