4000673939 has 2 divisors, whose sum is σ = 4000673940. Its totient is φ = 4000673938.

The previous prime is 4000673927. The next prime is 4000673993. The reversal of 4000673939 is 9393760004.

Together with next prime (4000673993) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4000673939 - 2⁴ = 4000673923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4000673896 and 4000673905.

It is not a weakly prime, because it can be changed into another prime (4000663939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000336969 + 2000336970.

It is an arithmetic number, because the mean of its divisors is an integer number (2000336970).

Almost surely, 2^4000673939 is an apocalyptic number.

4000673939 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000673939 is an equidigital number, since it uses as much as digits as its factorization.

4000673939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 4000673939 is about 63250.8809345767. The cubic root of 4000673939 is about 1587.4901979183.

The spelling of 4000673939 in words is "four billion, six hundred seventy-three thousand, nine hundred thirty-nine".