2668001973 has 16 divisors (see below), whose sum is σ = 4378260096. Its totient is φ = 1407297600.

The previous prime is 2668001971. The next prime is 2668001993. The reversal of 2668001973 is 3791008662.

It is a happy number.

It is not a de Polignac number, because 2668001973 - 2¹ = 2668001971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668001971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4886178 + ... + 4886723.

It is an arithmetic number, because the mean of its divisors is an integer number (273641256).

Almost surely, 2^2668001973 is an apocalyptic number.

It is an amenable number.

2668001973 is a deficient number, since it is larger than the sum of its proper divisors (1710258123).

2668001973 is a wasteful number, since it uses less digits than its factorization.

2668001973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9772924.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 2668001973 is about 51652.7053792926. The cubic root of 2668001973 is about 1386.9539725031.

The spelling of 2668001973 in words is "two billion, six hundred sixty-eight million, one thousand, nine hundred seventy-three".