4026971918 has 4 divisors (see below), whose sum is σ = 6040457880. Its totient is φ = 2013485958.

The previous prime is 4026971903. The next prime is 4026971933. The reversal of 4026971918 is 8191796204.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4026971903) and next prime (4026971933).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006742978 + ... + 1006742981.

It is an arithmetic number, because the mean of its divisors is an integer number (1510114470).

Almost surely, 2^4026971918 is an apocalyptic number.

4026971918 is a deficient number, since it is larger than the sum of its proper divisors (2013485962).

4026971918 is a wasteful number, since it uses less digits than its factorization.

4026971918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013485961.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 4026971918 is about 63458.4266902356. The cubic root of 4026971918 is about 1590.9609999496.

The spelling of 4026971918 in words is "four billion, twenty-six million, nine hundred seventy-one thousand, nine hundred eighteen".