694118927044 has 27 divisors (see below), whose sum is σ = 1235128682151. Its totient is φ = 341319975840.

The previous prime is 694118927041. The next prime is 694118927083. The reversal of 694118927044 is 440729811496.

It is a happy number.

The square root of 694118927044 is 833138.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 196924712644 + 497194214400 = 443762^2 + 705120^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (694118927041) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 101639422 + ... + 101646250.

Almost surely, 2^694118927044 is an apocalyptic number.

694118927044 is the 833138-th square number.

It is an amenable number.

694118927044 is a deficient number, since it is larger than the sum of its proper divisors (541009755107).

694118927044 is an frugal number, since it uses more digits than its factorization.

694118927044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13784 (or 6892 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 694118927044 in words is "six hundred ninety-four billion, one hundred eighteen million, nine hundred twenty-seven thousand, forty-four".