6894600400019 has 12 divisors (see below), whose sum is σ = 6943155322272. Its totient is φ = 6846373552800.

The previous prime is 6894600399971. The next prime is 6894600400067. The reversal of 6894600400019 is 9100040064986.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6894600399971) and next prime (6894600400067).

It is not a de Polignac number, because 6894600400019 - 2⁸ = 6894600399763 is a prime.

It is a super-2 number, since 2×6894600400019² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6894600408019) 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 11 ways as a sum of consecutive naturals, for example, 24431414 + ... + 24712004.

It is an arithmetic number, because the mean of its divisors is an integer number (578596276856).

Almost surely, 2^{6894600400019} is an apocalyptic number.

6894600400019 is a deficient number, since it is larger than the sum of its proper divisors (48554922253).

6894600400019 is an equidigital number, since it uses as much as digits as its factorization.

6894600400019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281758 (or 281585 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 6894600400019 in words is "six trillion, eight hundred ninety-four billion, six hundred million, four hundred thousand, nineteen".