6629730194 has 8 divisors (see below), whose sum is σ = 10287512460. Its totient is φ = 3200559376.

The previous prime is 6629730181. The next prime is 6629730209. The reversal of 6629730194 is 4910379266.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5764605625 + 865124569 = 75925^2 + 29413^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 57152789 + ... + 57152904.

Almost surely, 2^6629730194 is an apocalyptic number.

6629730194 is a deficient number, since it is larger than the sum of its proper divisors (3657782266).

6629730194 is a wasteful number, since it uses less digits than its factorization.

6629730194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114305724.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 6629730194 is about 81423.1551464324. The cubic root of 6629730194 is about 1878.5897634826.

The spelling of 6629730194 in words is "six billion, six hundred twenty-nine million, seven hundred thirty thousand, one hundred ninety-four".