6939394450 has 24 divisors (see below), whose sum is σ = 13089072960. Its totient is φ = 2736661200.

The previous prime is 6939394393. The next prime is 6939394489. The reversal of 6939394450 is 544939396.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 973830 + ... + 980929.

It is an arithmetic number, because the mean of its divisors is an integer number (545378040).

Almost surely, 2^6939394450 is an apocalyptic number.

6939394450 is a deficient number, since it is larger than the sum of its proper divisors (6149678510).

6939394450 is a wasteful number, since it uses less digits than its factorization.

6939394450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954842 (or 1954837 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 52.

The square root of 6939394450 is about 83303.0278561350. The cubic root of 6939394450 is about 1907.3944947305.

The spelling of 6939394450 in words is "six billion, nine hundred thirty-nine million, three hundred ninety-four thousand, four hundred fifty".