743954669 has 2 divisors, whose sum is σ = 743954670. Its totient is φ = 743954668.

The previous prime is 743954641. The next prime is 743954699. The reversal of 743954669 is 966459347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418693444 + 325261225 = 20462^2 + 18035^2 .

It is a cyclic number.

It is not a de Polignac number, because 743954669 - 2¹² = 743950573 is a prime.

It is a super-2 number, since 2×743954669² = 1106937099053799122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 743954669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (743954699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371977334 + 371977335.

It is an arithmetic number, because the mean of its divisors is an integer number (371977335).

Almost surely, 2^743954669 is an apocalyptic number.

It is an amenable number.

743954669 is a deficient number, since it is larger than the sum of its proper divisors (1).

743954669 is an equidigital number, since it uses as much as digits as its factorization.

743954669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 53.

The square root of 743954669 is about 27275.5324237676. The cubic root of 743954669 is about 906.1125756962.

The spelling of 743954669 in words is "seven hundred forty-three million, nine hundred fifty-four thousand, six hundred sixty-nine".