5646081907 has 2 divisors, whose sum is σ = 5646081908. Its totient is φ = 5646081906.

The previous prime is 5646081841. The next prime is 5646081911. The reversal of 5646081907 is 7091806465.

5646081907 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5646081907 is a prime.

It is not a weakly prime, because it can be changed into another prime (5646081937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2823040953 + 2823040954.

It is an arithmetic number, because the mean of its divisors is an integer number (2823040954).

Almost surely, 2^5646081907 is an apocalyptic number.

5646081907 is a deficient number, since it is larger than the sum of its proper divisors (1).

5646081907 is an equidigital number, since it uses as much as digits as its factorization.

5646081907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 5646081907 is about 75140.4146049248. The cubic root of 5646081907 is about 1780.6656924949.

The spelling of 5646081907 in words is "five billion, six hundred forty-six million, eighty-one thousand, nine hundred seven".