6694939001 has 2 divisors, whose sum is σ = 6694939002. Its totient is φ = 6694939000.

The previous prime is 6694938973. The next prime is 6694939057. The reversal of 6694939001 is 1009394966.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5594292025 + 1100646976 = 74795^2 + 33176^2 .

It is a cyclic number.

It is not a de Polignac number, because 6694939001 - 2¹⁴ = 6694922617 is a prime.

It is a super-2 number, since 2×6694939001² = 89644416454221756002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6694939501) 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 as a sum of consecutive naturals, namely, 3347469500 + 3347469501.

It is an arithmetic number, because the mean of its divisors is an integer number (3347469501).

Almost surely, 2^6694939001 is an apocalyptic number.

It is an amenable number.

6694939001 is a deficient number, since it is larger than the sum of its proper divisors (1).

6694939001 is an equidigital number, since it uses as much as digits as its factorization.

6694939001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 6694939001 is about 81822.6069066490. The cubic root of 6694939001 is about 1884.7288341533.

The spelling of 6694939001 in words is "six billion, six hundred ninety-four million, nine hundred thirty-nine thousand, one".