773463744421 has 2 divisors, whose sum is σ = 773463744422. Its totient is φ = 773463744420.

The previous prime is 773463744349. The next prime is 773463744433. The reversal of 773463744421 is 124447364377.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 515755221921 + 257708522500 = 718161^2 + 507650^2 .

It is a cyclic number.

It is not a de Polignac number, because 773463744421 - 2¹⁹ = 773463220133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (773463744481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386731872210 + 386731872211.

It is an arithmetic number, because the mean of its divisors is an integer number (386731872211).

Almost surely, 2^773463744421 is an apocalyptic number.

It is an amenable number.

773463744421 is a deficient number, since it is larger than the sum of its proper divisors (1).

773463744421 is an equidigital number, since it uses as much as digits as its factorization.

773463744421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9483264, while the sum is 52.

The spelling of 773463744421 in words is "seven hundred seventy-three billion, four hundred sixty-three million, seven hundred forty-four thousand, four hundred twenty-one".