3667457891 has 2 divisors, whose sum is σ = 3667457892. Its totient is φ = 3667457890.

The previous prime is 3667457869. The next prime is 3667457903. The reversal of 3667457891 is 1987547663.

3667457891 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 an emirp because it is prime and its reverse (1987547663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3667457891 - 2¹⁰ = 3667456867 is a prime.

It is not a weakly prime, because it can be changed into another prime (3667457851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833728945 + 1833728946.

It is an arithmetic number, because the mean of its divisors is an integer number (1833728946).

Almost surely, 2^3667457891 is an apocalyptic number.

3667457891 is a deficient number, since it is larger than the sum of its proper divisors (1).

3667457891 is an equidigital number, since it uses as much as digits as its factorization.

3667457891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 56.

The square root of 3667457891 is about 60559.5400494423. The cubic root of 3667457891 is about 1542.1325785747.

The spelling of 3667457891 in words is "three billion, six hundred sixty-seven million, four hundred fifty-seven thousand, eight hundred ninety-one".