196924811651 has 2 divisors, whose sum is σ = 196924811652. Its totient is φ = 196924811650.

The previous prime is 196924811621. The next prime is 196924811771. The reversal of 196924811651 is 156118429691.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196924811651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196924811593 and 196924811602.

It is not a weakly prime, because it can be changed into another prime (196924811621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98462405825 + 98462405826.

It is an arithmetic number, because the mean of its divisors is an integer number (98462405826).

Almost surely, 2^196924811651 is an apocalyptic number.

196924811651 is a deficient number, since it is larger than the sum of its proper divisors (1).

196924811651 is an equidigital number, since it uses as much as digits as its factorization.

196924811651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 53.

The spelling of 196924811651 in words is "one hundred ninety-six billion, nine hundred twenty-four million, eight hundred eleven thousand, six hundred fifty-one".