3949697059666 has 32 divisors (see below), whose sum is σ = 6425398224000. Its totient is φ = 1814726344320.

The previous prime is 3949697059589. The next prime is 3949697059673. The reversal of 3949697059666 is 6669507969493.

3949697059666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7057366 + ... + 7596433.

It is an arithmetic number, because the mean of its divisors is an integer number (200793694500).

Almost surely, 2^{3949697059666} is an apocalyptic number.

3949697059666 is a deficient number, since it is larger than the sum of its proper divisors (2475701164334).

3949697059666 is a wasteful number, since it uses less digits than its factorization.

3949697059666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14654034.

The product of its (nonzero) digits is 3571283520, while the sum is 79.

The spelling of 3949697059666 in words is "three trillion, nine hundred forty-nine billion, six hundred ninety-seven million, fifty-nine thousand, six hundred sixty-six".