763405729620461 has 2 divisors, whose sum is σ = 763405729620462. Its totient is φ = 763405729620460.

The previous prime is 763405729620451. The next prime is 763405729620539. The reversal of 763405729620461 is 164026927504367.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 752389264981225 + 11016464639236 = 27429715^2 + 3319106^2 .

It is an emirp because it is prime and its reverse (164026927504367) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 763405729620461 - 2¹⁸ = 763405729358317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 763405729620394 and 763405729620403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (763405729620431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381702864810230 + 381702864810231.

It is an arithmetic number, because the mean of its divisors is an integer number (381702864810231).

Almost surely, 2^{763405729620461} is an apocalyptic number.

It is an amenable number.

763405729620461 is a deficient number, since it is larger than the sum of its proper divisors (1).

763405729620461 is an equidigital number, since it uses as much as digits as its factorization.

763405729620461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91445760, while the sum is 62.

The spelling of 763405729620461 in words is "seven hundred sixty-three trillion, four hundred five billion, seven hundred twenty-nine million, six hundred twenty thousand, four hundred sixty-one".