743257706849 has 16 divisors (see below), whose sum is σ = 854533996800. Its totient is φ = 633261784320.

The previous prime is 743257706827. The next prime is 743257706857. The reversal of 743257706849 is 948607752347.

It is a cyclic number.

It is not a de Polignac number, because 743257706849 - 2³² = 738962739553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 743257706791 and 743257706800.

It is not an unprimeable number, because it can be changed into a prime (743257706899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1180709 + ... + 1697229.

It is an arithmetic number, because the mean of its divisors is an integer number (53408374800).

Almost surely, 2^743257706849 is an apocalyptic number.

It is an amenable number.

743257706849 is a deficient number, since it is larger than the sum of its proper divisors (111276289951).

743257706849 is a wasteful number, since it uses less digits than its factorization.

743257706849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517760.

The product of its (nonzero) digits is 71124480, while the sum is 62.

The spelling of 743257706849 in words is "seven hundred forty-three billion, two hundred fifty-seven million, seven hundred six thousand, eight hundred forty-nine".