6949378963 has 4 divisors (see below), whose sum is σ = 6954486408. Its totient is φ = 6944271520.

The previous prime is 6949378937. The next prime is 6949379083. The reversal of 6949378963 is 3698739496.

6949378963 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6949378963 - 2⁹ = 6949378451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6949378895 and 6949378904.

It is not an unprimeable number, because it can be changed into a prime (6949378063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2551681 + ... + 2554402.

It is an arithmetic number, because the mean of its divisors is an integer number (1738621602).

Almost surely, 2^6949378963 is an apocalyptic number.

6949378963 is a deficient number, since it is larger than the sum of its proper divisors (5107445).

6949378963 is a wasteful number, since it uses less digits than its factorization.

6949378963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5107444.

The product of its digits is 52907904, while the sum is 64.

The square root of 6949378963 is about 83362.9351870482. The cubic root of 6949378963 is about 1908.3088530251.

The spelling of 6949378963 in words is "six billion, nine hundred forty-nine million, three hundred seventy-eight thousand, nine hundred sixty-three".