694406386469 has 8 divisors (see below), whose sum is σ = 740967162240. Its totient is φ = 648846917856.

The previous prime is 694406386409. The next prime is 694406386523. The reversal of 694406386469 is 964683604496.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-694406386469 is a prime.

It is a super-2 number, since 2×694406386469² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694406386409) 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, 250325357 + ... + 250328130.

It is an arithmetic number, because the mean of its divisors is an integer number (92620895280).

Almost surely, 2^694406386469 is an apocalyptic number.

It is an amenable number.

694406386469 is a deficient number, since it is larger than the sum of its proper divisors (46560775771).

694406386469 is a wasteful number, since it uses less digits than its factorization.

694406386469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500653579.

The product of its (nonzero) digits is 161243136, while the sum is 65.

The spelling of 694406386469 in words is "six hundred ninety-four billion, four hundred six million, three hundred eighty-six thousand, four hundred sixty-nine".