6669340294 has 8 divisors (see below), whose sum is σ = 10173570120. Its totient is φ = 3278150256.

The previous prime is 6669340283. The next prime is 6669340303. The reversal of 6669340294 is 4920439666.

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, 28259799 + ... + 28260034.

It is an arithmetic number, because the mean of its divisors is an integer number (1271696265).

Almost surely, 2^6669340294 is an apocalyptic number.

6669340294 is a deficient number, since it is larger than the sum of its proper divisors (3504229826).

6669340294 is a wasteful number, since it uses less digits than its factorization.

6669340294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56519894.

The product of its (nonzero) digits is 1679616, while the sum is 49.

The square root of 6669340294 is about 81666.0290083949. The cubic root of 6669340294 is about 1882.3236221004.

The spelling of 6669340294 in words is "six billion, six hundred sixty-nine million, three hundred forty thousand, two hundred ninety-four".