704005745549 has 2 divisors, whose sum is σ = 704005745550. Its totient is φ = 704005745548.

The previous prime is 704005745537. The next prime is 704005745593. The reversal of 704005745549 is 945547500407.

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., 413249694025 + 290756051524 = 642845^2 + 539218^2 .

It is a cyclic number.

It is not a de Polignac number, because 704005745549 - 2²⁰ = 704004696973 is a prime.

It is a super-2 number, since 2×704005745549² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 704005745497 and 704005745506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (704005742549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352002872774 + 352002872775.

It is an arithmetic number, because the mean of its divisors is an integer number (352002872775).

Almost surely, 2^704005745549 is an apocalyptic number.

It is an amenable number.

704005745549 is a deficient number, since it is larger than the sum of its proper divisors (1).

704005745549 is an equidigital number, since it uses as much as digits as its factorization.

704005745549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528000, while the sum is 50.

The spelling of 704005745549 in words is "seven hundred four billion, five million, seven hundred forty-five thousand, five hundred forty-nine".