7429842489238 has 64 divisors (see below), whose sum is σ = 12102155956800. Its totient is φ = 3400702341120.

The previous prime is 7429842489233. The next prime is 7429842489239. The reversal of 7429842489238 is 8329842489247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7429842489233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2947179418 + ... + 2947181938.

It is an arithmetic number, because the mean of its divisors is an integer number (189096186825).

Almost surely, 2^{7429842489238} is an apocalyptic number.

7429842489238 is a deficient number, since it is larger than the sum of its proper divisors (4672313467562).

7429842489238 is a wasteful number, since it uses less digits than its factorization.

7429842489238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4577.

The product of its digits is 445906944, while the sum is 70.

Subtracting 7429842489238 from its reverse (8329842489247), we obtain a palindrome (900000000009).

The spelling of 7429842489238 in words is "seven trillion, four hundred twenty-nine billion, eight hundred forty-two million, four hundred eighty-nine thousand, two hundred thirty-eight".