694944099 has 24 divisors (see below), whose sum is σ = 1011808512. Its totient is φ = 459621360.

The previous prime is 694944077. The next prime is 694944157. The reversal of 694944099 is 990449496.

694944099 is a `hidden beast` number, since 69 + 494 + 4 + 0 + 99 = 666.

It is not a de Polignac number, because 694944099 - 2¹⁷ = 694813027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (694944049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 783034 + ... + 783920.

It is an arithmetic number, because the mean of its divisors is an integer number (42158688).

Almost surely, 2^694944099 is an apocalyptic number.

694944099 is a deficient number, since it is larger than the sum of its proper divisors (316864413).

694944099 is a wasteful number, since it uses less digits than its factorization.

694944099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487 (or 1484 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The square root of 694944099 is about 26361.7924087115. The cubic root of 694944099 is about 885.7611416134.

The spelling of 694944099 in words is "six hundred ninety-four million, nine hundred forty-four thousand, ninety-nine".