7389421293834 has 32 divisors (see below), whose sum is σ = 16494572720640. Its totient is φ = 2452094954496.

The previous prime is 7389421293757. The next prime is 7389421293869. The reversal of 7389421293834 is 4383921249837.

7389421293834 is a `hidden beast` number, since 7 + 38 + 9 + 4 + 212 + 9 + 383 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306806647 + ... + 306830730.

It is an arithmetic number, because the mean of its divisors is an integer number (515455397520).

Almost surely, 2^{7389421293834} is an apocalyptic number.

7389421293834 is an abundant number, since it is smaller than the sum of its proper divisors (9105151426806).

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

7389421293834 is a wasteful number, since it uses less digits than its factorization.

7389421293834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613637611 (or 613637605 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 63.

The spelling of 7389421293834 in words is "seven trillion, three hundred eighty-nine billion, four hundred twenty-one million, two hundred ninety-three thousand, eight hundred thirty-four".