4066949407 has 2 divisors, whose sum is σ = 4066949408. Its totient is φ = 4066949406.

The previous prime is 4066949371. The next prime is 4066949477. The reversal of 4066949407 is 7049496604.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4066949407 - 2²⁷ = 3932731679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4066949477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033474703 + 2033474704.

It is an arithmetic number, because the mean of its divisors is an integer number (2033474704).

Almost surely, 2^4066949407 is an apocalyptic number.

4066949407 is a deficient number, since it is larger than the sum of its proper divisors (1).

4066949407 is an equidigital number, since it uses as much as digits as its factorization.

4066949407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The square root of 4066949407 is about 63772.6383882618. The cubic root of 4066949407 is about 1596.2083926216.

The spelling of 4066949407 in words is "four billion, sixty-six million, nine hundred forty-nine thousand, four hundred seven".