763399946669 has 2 divisors, whose sum is σ = 763399946670. Its totient is φ = 763399946668.

The previous prime is 763399946663. The next prime is 763399946681. The reversal of 763399946669 is 966649993367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 763395375625 + 4571044 = 873725^2 + 2138^2 .

It is a cyclic number.

It is not a de Polignac number, because 763399946669 - 2¹⁶ = 763399881133 is a prime.

It is a super-2 number, since 2×763399946669² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 763399946669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (763399946663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381699973334 + 381699973335.

It is an arithmetic number, because the mean of its divisors is an integer number (381699973335).

Almost surely, 2^763399946669 is an apocalyptic number.

It is an amenable number.

763399946669 is a deficient number, since it is larger than the sum of its proper divisors (1).

763399946669 is an equidigital number, since it uses as much as digits as its factorization.

763399946669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2142770112, while the sum is 77.

The spelling of 763399946669 in words is "seven hundred sixty-three billion, three hundred ninety-nine million, nine hundred forty-six thousand, six hundred sixty-nine".