743849810945 has 32 divisors (see below), whose sum is σ = 909675833472. Its totient is φ = 583813780992.

The previous prime is 743849810923. The next prime is 743849810987. The reversal of 743849810945 is 549018948347.

It is a cyclic number.

It is not a de Polignac number, because 743849810945 - 2²⁸ = 743581375489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182627429 + ... + 182631501.

It is an arithmetic number, because the mean of its divisors is an integer number (28427369796).

Almost surely, 2^743849810945 is an apocalyptic number.

It is an amenable number.

743849810945 is a deficient number, since it is larger than the sum of its proper divisors (165826022527).

743849810945 is a wasteful number, since it uses less digits than its factorization.

743849810945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7121.

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 743849810945 in words is "seven hundred forty-three billion, eight hundred forty-nine million, eight hundred ten thousand, nine hundred forty-five".