6738960993 has 4 divisors (see below), whose sum is σ = 8985281328. Its totient is φ = 4492640660.

The previous prime is 6738960979. The next prime is 6738961001. The reversal of 6738960993 is 3990698376.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6738960993 - 2¹⁸ = 6738698849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6738950993) 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, 1123160163 + ... + 1123160168.

It is an arithmetic number, because the mean of its divisors is an integer number (2246320332).

Almost surely, 2^6738960993 is an apocalyptic number.

It is an amenable number.

6738960993 is a deficient number, since it is larger than the sum of its proper divisors (2246320335).

6738960993 is a wasteful number, since it uses less digits than its factorization.

6738960993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246320334.

The product of its (nonzero) digits is 13226976, while the sum is 60.

The square root of 6738960993 is about 82091.1748789113. The cubic root of 6738960993 is about 1888.8507699467.

The spelling of 6738960993 in words is "six billion, seven hundred thirty-eight million, nine hundred sixty thousand, nine hundred ninety-three".