6629995313378 has 8 divisors (see below), whose sum is σ = 9945944402268. Its totient is φ = 3314680512624.

The previous prime is 6629995313353. The next prime is 6629995313527. The reversal of 6629995313378 is 8733135999266.

It can be written as a sum of positive squares in 2 ways, for example, as 6255166067089 + 374829246289 = 2501033^2 + 612233^2 .

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, 158545901 + ... + 158587712.

Almost surely, 2^{6629995313378} is an apocalyptic number.

6629995313378 is a deficient number, since it is larger than the sum of its proper divisors (3315949088890).

6629995313378 is a wasteful number, since it uses less digits than its factorization.

6629995313378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317144068.

The product of its digits is 396809280, while the sum is 71.

The spelling of 6629995313378 in words is "six trillion, six hundred twenty-nine billion, nine hundred ninety-five million, three hundred thirteen thousand, three hundred seventy-eight".