6918349401 has 10 divisors (see below), whose sum is σ = 10334818362. Its totient is φ = 4612232880.

The previous prime is 6918349387. The next prime is 6918349441. The reversal of 6918349401 is 1049438196.

6918349401 is a `hidden beast` number, since 69 + 183 + 4 + 9 + 401 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6788936025 + 129413376 = 82395^2 + 11376^2 .

It is not a de Polignac number, because 6918349401 - 2¹⁴ = 6918333017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6918349441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 42705780 + ... + 42705941.

Almost surely, 2^6918349401 is an apocalyptic number.

It is an amenable number.

6918349401 is a deficient number, since it is larger than the sum of its proper divisors (3416468961).

6918349401 is an equidigital number, since it uses as much as digits as its factorization.

6918349401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85411733 (or 85411724 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 6918349401 is about 83176.6157101862. The cubic root of 6918349401 is about 1905.4643619671.

The spelling of 6918349401 in words is "six billion, nine hundred eighteen million, three hundred forty-nine thousand, four hundred one".