743542245346 has 8 divisors (see below), whose sum is σ = 1180920036780. Its totient is φ = 349902233088.

The previous prime is 743542245337. The next prime is 743542245349. The reversal of 743542245346 is 643542245347.

743542245346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 726093156321 + 17449089025 = 852111^2 + 132095^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×743542245346² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 743542245346.

It is not an unprimeable number, because it can be changed into a prime (743542245349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10934444751 + ... + 10934444818.

Almost surely, 2^743542245346 is an apocalyptic number.

743542245346 is a deficient number, since it is larger than the sum of its proper divisors (437377791434).

743542245346 is a wasteful number, since it uses less digits than its factorization.

743542245346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21868889588.

The product of its digits is 9676800, while the sum is 49.

Subtracting from 743542245346 its reverse (643542245347), we obtain a palindrome (99999999999).

The spelling of 743542245346 in words is "seven hundred forty-three billion, five hundred forty-two million, two hundred forty-five thousand, three hundred forty-six".