196300121951 has 4 divisors (see below), whose sum is σ = 196307903400. Its totient is φ = 196292340504.

The previous prime is 196300121917. The next prime is 196300121957. The reversal of 196300121951 is 159121003691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196300121951 - 2⁶ = 196300121887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196300121957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3852761 + ... + 3903378.

It is an arithmetic number, because the mean of its divisors is an integer number (49076975850).

Almost surely, 2^196300121951 is an apocalyptic number.

196300121951 is a deficient number, since it is larger than the sum of its proper divisors (7781449).

196300121951 is an equidigital number, since it uses as much as digits as its factorization.

196300121951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7781448.

The product of its (nonzero) digits is 14580, while the sum is 38.

The spelling of 196300121951 in words is "one hundred ninety-six billion, three hundred million, one hundred twenty-one thousand, nine hundred fifty-one".