694272394269 has 6 divisors (see below), whose sum is σ = 1002837902846. Its totient is φ = 462848262840.

The previous prime is 694272394259. The next prime is 694272394273. The reversal of 694272394269 is 962493272496.

694272394269 is a `hidden beast` number, since 69 + 427 + 2 + 3 + 94 + 2 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 494718103044 + 199554291225 = 703362^2 + 446715^2 .

It is not a de Polignac number, because 694272394269 - 2³⁵ = 659912655901 is a prime.

It is a super-2 number, since 2×694272394269² (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 (694272394229) 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 5 ways as a sum of consecutive naturals, for example, 38570688562 + ... + 38570688579.

Almost surely, 2^694272394269 is an apocalyptic number.

It is an amenable number.

694272394269 is a deficient number, since it is larger than the sum of its proper divisors (308565508577).

694272394269 is a wasteful number, since it uses less digits than its factorization.

694272394269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77141377147 (or 77141377144 counting only the distinct ones).

The product of its digits is 70543872, while the sum is 63.

The spelling of 694272394269 in words is "six hundred ninety-four billion, two hundred seventy-two million, three hundred ninety-four thousand, two hundred sixty-nine".