6623614617394 has 16 divisors (see below), whose sum is σ = 10203385988376. Its totient is φ = 3222892886400.

The previous prime is 6623614617391. The next prime is 6623614617461. The reversal of 6623614617394 is 4937164163266.

It can be written as a sum of positive squares in 4 ways, for example, as 3771694147225 + 2851920470169 = 1942085^2 + 1688763^2 .

It is not an unprimeable number, because it can be changed into a prime (6623614617391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101700177 + ... + 101765284.

Almost surely, 2^{6623614617394} is an apocalyptic number.

6623614617394 is a deficient number, since it is larger than the sum of its proper divisors (3579771370982).

6623614617394 is a wasteful number, since it uses less digits than its factorization.

6623614617394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203465901.

The product of its digits is 23514624, while the sum is 58.

The spelling of 6623614617394 in words is "six trillion, six hundred twenty-three billion, six hundred fourteen million, six hundred seventeen thousand, three hundred ninety-four".