694051036045 has 4 divisors (see below), whose sum is σ = 832861243260. Its totient is φ = 555240828832.

The previous prime is 694051036037. The next prime is 694051036103. The reversal of 694051036045 is 540630150496.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 492785748169 + 201265287876 = 701987^2 + 448626^2 .

It is a cyclic number.

It is not a de Polignac number, because 694051036045 - 2³ = 694051036037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 694051035992 and 694051036010.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 69405103600 + ... + 69405103609.

It is an arithmetic number, because the mean of its divisors is an integer number (208215310815).

Almost surely, 2^694051036045 is an apocalyptic number.

It is an amenable number.

694051036045 is a deficient number, since it is larger than the sum of its proper divisors (138810207215).

694051036045 is a wasteful number, since it uses less digits than its factorization.

694051036045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138810207214.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 694051036045 in words is "six hundred ninety-four billion, fifty-one million, thirty-six thousand, forty-five".