2051755037663 has 2 divisors, whose sum is σ = 2051755037664. Its totient is φ = 2051755037662.

The previous prime is 2051755037659. The next prime is 2051755037713. The reversal of 2051755037663 is 3667305571502.

It is an a-pointer prime, because the next prime (2051755037713) can be obtained adding 2051755037663 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2051755037663 - 2² = 2051755037659 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2051755037263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025877518831 + 1025877518832.

It is an arithmetic number, because the mean of its divisors is an integer number (1025877518832).

Almost surely, 2^{2051755037663} is an apocalyptic number.

2051755037663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051755037663 is an equidigital number, since it uses as much as digits as its factorization.

2051755037663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3969000, while the sum is 50.

The spelling of 2051755037663 in words is "two trillion, fifty-one billion, seven hundred fifty-five million, thirty-seven thousand, six hundred sixty-three".