2051346424991 has 2 divisors, whose sum is σ = 2051346424992. Its totient is φ = 2051346424990.

The previous prime is 2051346424987. The next prime is 2051346425077. The reversal of 2051346424991 is 1994246431502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2051346424991 - 2² = 2051346424987 is a prime.

It is a super-3 number, since 3×2051346424991³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2051346424901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025673212495 + 1025673212496.

It is an arithmetic number, because the mean of its divisors is an integer number (1025673212496).

Almost surely, 2^{2051346424991} is an apocalyptic number.

2051346424991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051346424991 is an equidigital number, since it uses as much as digits as its factorization.

2051346424991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 2051346424991 in words is "two trillion, fifty-one billion, three hundred forty-six million, four hundred twenty-four thousand, nine hundred ninety-one".