7643838900814 has 8 divisors (see below), whose sum is σ = 11465796556368. Its totient is φ = 3821906715360.

The previous prime is 7643838900799. The next prime is 7643838900821. The reversal of 7643838900814 is 4180098383467.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5598682 + ... + 6828829.

It is an arithmetic number, because the mean of its divisors is an integer number (1433224569546).

Almost surely, 2^{7643838900814} is an apocalyptic number.

7643838900814 is a deficient number, since it is larger than the sum of its proper divisors (3821957655554).

7643838900814 is a wasteful number, since it uses less digits than its factorization.

7643838900814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12735050.

The product of its (nonzero) digits is 27869184, while the sum is 61.

The spelling of 7643838900814 in words is "seven trillion, six hundred forty-three billion, eight hundred thirty-eight million, nine hundred thousand, eight hundred fourteen".