6918457350669 has 8 divisors (see below), whose sum is σ = 9420878094720. Its totient is φ = 4514170753536.

The previous prime is 6918457350647. The next prime is 6918457350677. The reversal of 6918457350669 is 9660537548196.

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

It is not a de Polignac number, because 6918457350669 - 2²¹ = 6918455253517 is a prime.

It is a super-2 number, since 2×6918457350669² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6918457350619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24533536564 + ... + 24533536845.

It is an arithmetic number, because the mean of its divisors is an integer number (1177609761840).

Almost surely, 2^{6918457350669} is an apocalyptic number.

It is an amenable number.

6918457350669 is a deficient number, since it is larger than the sum of its proper divisors (2502420744051).

6918457350669 is a wasteful number, since it uses less digits than its factorization.

6918457350669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49067073459.

The product of its (nonzero) digits is 293932800, while the sum is 69.

The spelling of 6918457350669 in words is "six trillion, nine hundred eighteen billion, four hundred fifty-seven million, three hundred fifty thousand, six hundred sixty-nine".