196807983737 has 2 divisors, whose sum is σ = 196807983738. Its totient is φ = 196807983736.

The previous prime is 196807983667. The next prime is 196807983739. The reversal of 196807983737 is 737389708691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146339911936 + 50468071801 = 382544^2 + 224651^2 .

It is a cyclic number.

It is not a de Polignac number, because 196807983737 - 2¹⁶ = 196807918201 is a prime.

Together with 196807983739, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (196807983739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98403991868 + 98403991869.

It is an arithmetic number, because the mean of its divisors is an integer number (98403991869).

Almost surely, 2^196807983737 is an apocalyptic number.

It is an amenable number.

196807983737 is a deficient number, since it is larger than the sum of its proper divisors (1).

196807983737 is an equidigital number, since it uses as much as digits as its factorization.

196807983737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96018048, while the sum is 68.

The spelling of 196807983737 in words is "one hundred ninety-six billion, eight hundred seven million, nine hundred eighty-three thousand, seven hundred thirty-seven".