2051280699759 has 12 divisors (see below), whose sum is σ = 2962998337936. Its totient is φ = 1367503238592.

The previous prime is 2051280699719. The next prime is 2051280699761. The reversal of 2051280699759 is 9579960821502.

2051280699759 is a `hidden beast` number, since 2 + 0 + 512 + 8 + 0 + 69 + 9 + 7 + 59 = 666.

It is not a de Polignac number, because 2051280699759 - 2¹⁵ = 2051280666991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2051280699696 and 2051280699705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051280699709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 659482 + ... + 2130135.

Almost surely, 2^{2051280699759} is an apocalyptic number.

2051280699759 is a deficient number, since it is larger than the sum of its proper divisors (911717638177).

2051280699759 is a wasteful number, since it uses less digits than its factorization.

2051280699759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871326 (or 2871323 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 63.

The spelling of 2051280699759 in words is "two trillion, fifty-one billion, two hundred eighty million, six hundred ninety-nine thousand, seven hundred fifty-nine".