196627725641 has 2 divisors, whose sum is σ = 196627725642. Its totient is φ = 196627725640.

The previous prime is 196627725589. The next prime is 196627725647. The reversal of 196627725641 is 146527726691.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145187671225 + 51440054416 = 381035^2 + 226804^2 .

It is a cyclic number.

It is not a de Polignac number, because 196627725641 - 2¹⁸ = 196627463497 is a prime.

It is not a weakly prime, because it can be changed into another prime (196627725647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98313862820 + 98313862821.

It is an arithmetic number, because the mean of its divisors is an integer number (98313862821).

Almost surely, 2^196627725641 is an apocalyptic number.

It is an amenable number.

196627725641 is a deficient number, since it is larger than the sum of its proper divisors (1).

196627725641 is an equidigital number, since it uses as much as digits as its factorization.

196627725641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7620480, while the sum is 56.

The spelling of 196627725641 in words is "one hundred ninety-six billion, six hundred twenty-seven million, seven hundred twenty-five thousand, six hundred forty-one".