743985699907 has 2 divisors, whose sum is σ = 743985699908. Its totient is φ = 743985699906.

The previous prime is 743985699823. The next prime is 743985699923. The reversal of 743985699907 is 709996589347.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 743985699907 - 2¹¹ = 743985697859 is a prime.

It is a super-2 number, since 2×743985699907² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (743985609907) 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, 371992849953 + 371992849954.

It is an arithmetic number, because the mean of its divisors is an integer number (371992849954).

Almost surely, 2^743985699907 is an apocalyptic number.

743985699907 is a deficient number, since it is larger than the sum of its proper divisors (1).

743985699907 is an equidigital number, since it uses as much as digits as its factorization.

743985699907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 925888320, while the sum is 76.

The spelling of 743985699907 in words is "seven hundred forty-three billion, nine hundred eighty-five million, six hundred ninety-nine thousand, nine hundred seven".