505052750791 has 2 divisors, whose sum is σ = 505052750792. Its totient is φ = 505052750790.

The previous prime is 505052750779. The next prime is 505052750837. The reversal of 505052750791 is 197057250505.

It is an a-pointer prime, because the next prime (505052750837) can be obtained adding 505052750791 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505052750791 - 2¹³ = 505052742599 is a prime.

It is a super-2 number, since 2×505052750791² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505052750591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252526375395 + 252526375396.

It is an arithmetic number, because the mean of its divisors is an integer number (252526375396).

Almost surely, 2^505052750791 is an apocalyptic number.

505052750791 is a deficient number, since it is larger than the sum of its proper divisors (1).

505052750791 is an equidigital number, since it uses as much as digits as its factorization.

505052750791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 551250, while the sum is 46.

The spelling of 505052750791 in words is "five hundred five billion, fifty-two million, seven hundred fifty thousand, seven hundred ninety-one".