1968496051 has 2 divisors, whose sum is σ = 1968496052. Its totient is φ = 1968496050.

The previous prime is 1968496031. The next prime is 1968496091. The reversal of 1968496051 is 1506948691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1968496051 - 2⁷ = 1968495923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1968495986 and 1968496004.

It is not a weakly prime, because it can be changed into another prime (1968496021) 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, 984248025 + 984248026.

It is an arithmetic number, because the mean of its divisors is an integer number (984248026).

Almost surely, 2^1968496051 is an apocalyptic number.

1968496051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1968496051 is an equidigital number, since it uses as much as digits as its factorization.

1968496051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 1968496051 is about 44367.7365999213. The cubic root of 1968496051 is about 1253.2705926622.

The spelling of 1968496051 in words is "one billion, nine hundred sixty-eight million, four hundred ninety-six thousand, fifty-one".