694089360212 has 6 divisors (see below), whose sum is σ = 1214656380378. Its totient is φ = 347044680104.

The previous prime is 694089360203. The next prime is 694089360227. The reversal of 694089360212 is 212063980496.

It can be written as a sum of positive squares in only one way, i.e., 590583028036 + 103506332176 = 768494^2 + 321724^2 .

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 as a sum of consecutive naturals, namely, 86761170023 + ... + 86761170030.

It is an arithmetic number, because the mean of its divisors is an integer number (202442730063).

Almost surely, 2^694089360212 is an apocalyptic number.

It is an amenable number.

694089360212 is a deficient number, since it is larger than the sum of its proper divisors (520567020166).

694089360212 is a wasteful number, since it uses less digits than its factorization.

694089360212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173522340057 (or 173522340055 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 694089360212 in words is "six hundred ninety-four billion, eighty-nine million, three hundred sixty thousand, two hundred twelve".