743775740897 has 12 divisors (see below), whose sum is σ = 869988682836. Its totient is φ = 633999834720.

The previous prime is 743775740849. The next prime is 743775740909. The reversal of 743775740897 is 798047577347.

It can be written as a sum of positive squares in 2 ways, for example, as 173752250896 + 570023490001 = 416836^2 + 754999^2 .

It is not a de Polignac number, because 743775740897 - 2⁸ = 743775740641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (743775746897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41922338 + ... + 41940075.

It is an arithmetic number, because the mean of its divisors is an integer number (72499056903).

Almost surely, 2^743775740897 is an apocalyptic number.

It is an amenable number.

743775740897 is a deficient number, since it is larger than the sum of its proper divisors (126212941939).

743775740897 is a wasteful number, since it uses less digits than its factorization.

743775740897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83862608 (or 83862601 counting only the distinct ones).

The product of its (nonzero) digits is 290424960, while the sum is 68.

The spelling of 743775740897 in words is "seven hundred forty-three billion, seven hundred seventy-five million, seven hundred forty thousand, eight hundred ninety-seven".