6916503889 has 4 divisors (see below), whose sum is σ = 6918960240. Its totient is φ = 6914047540.

The previous prime is 6916503877. The next prime is 6916503953. The reversal of 6916503889 is 9883056196.

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 6916503889 - 2¹¹ = 6916501841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6916503859) 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, 1223947 + ... + 1229584.

It is an arithmetic number, because the mean of its divisors is an integer number (1729740060).

Almost surely, 2^6916503889 is an apocalyptic number.

It is an amenable number.

6916503889 is a deficient number, since it is larger than the sum of its proper divisors (2456351).

6916503889 is a wasteful number, since it uses less digits than its factorization.

6916503889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456350.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The square root of 6916503889 is about 83165.5210348616. The cubic root of 6916503889 is about 1905.2949154765.

The spelling of 6916503889 in words is "six billion, nine hundred sixteen million, five hundred three thousand, eight hundred eighty-nine".