743521338642 has 8 divisors (see below), whose sum is σ = 1487042677296. Its totient is φ = 247840446212.

The previous prime is 743521338557. The next prime is 743521338647. The reversal of 743521338642 is 246833125347.

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

743521338642 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 743521338591 and 743521338600.

It is not an unprimeable number, because it can be changed into a prime (743521338647) 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, 61960111548 + ... + 61960111559.

It is an arithmetic number, because the mean of its divisors is an integer number (185880334662).

Almost surely, 2^743521338642 is an apocalyptic number.

743521338642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

743521338642 is a wasteful number, since it uses less digits than its factorization.

743521338642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123920223112.

The product of its digits is 2903040, while the sum is 48.

The spelling of 743521338642 in words is "seven hundred forty-three billion, five hundred twenty-one million, three hundred thirty-eight thousand, six hundred forty-two".