4021206718 has 16 divisors (see below), whose sum is σ = 6071490000. Its totient is φ = 1997399232.

The previous prime is 4021206701. The next prime is 4021206769. The reversal of 4021206718 is 8176021204.

It is a self number, because there is not a number n which added to its sum of digits gives 4021206718.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399208 + ... + 409156.

It is an arithmetic number, because the mean of its divisors is an integer number (379468125).

Almost surely, 2^4021206718 is an apocalyptic number.

4021206718 is a deficient number, since it is larger than the sum of its proper divisors (2050283282).

4021206718 is a wasteful number, since it uses less digits than its factorization.

4021206718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11259.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 4021206718 is about 63412.9854051991. The cubic root of 4021206718 is about 1590.2014061284.

The spelling of 4021206718 in words is "four billion, twenty-one million, two hundred six thousand, seven hundred eighteen".