754643610442 has 8 divisors (see below), whose sum is σ = 1131996238596. Its totient is φ = 377311530912.

The previous prime is 754643610433. The next prime is 754643610449. The reversal of 754643610442 is 244016346457.

It can be written as a sum of positive squares in 2 ways, for example, as 748240570081 + 6403040361 = 865009^2 + 80019^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 754643610392 and 754643610401.

It is not an unprimeable number, because it can be changed into a prime (754643610449) 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, 5045013 + ... + 5192440.

Almost surely, 2^754643610442 is an apocalyptic number.

754643610442 is a deficient number, since it is larger than the sum of its proper divisors (377352628154).

754643610442 is a wasteful number, since it uses less digits than its factorization.

754643610442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10274312.

The product of its (nonzero) digits is 1935360, while the sum is 46.

Adding to 754643610442 its reverse (244016346457), we get a palindrome (998659956899).

The spelling of 754643610442 in words is "seven hundred fifty-four billion, six hundred forty-three million, six hundred ten thousand, four hundred forty-two".