4021316965 has 16 divisors (see below), whose sum is σ = 4929724800. Its totient is φ = 3147947712.

The previous prime is 4021316939. The next prime is 4021317059. The reversal of 4021316965 is 5696131204.

It is a cyclic number.

It is not a de Polignac number, because 4021316965 - 2⁷ = 4021316837 is a prime.

It is a super-2 number, since 2×4021316965² = 32341980265993622450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 80416 + ... + 120454.

It is an arithmetic number, because the mean of its divisors is an integer number (308107800).

Almost surely, 2^4021316965 is an apocalyptic number.

It is an amenable number.

4021316965 is a deficient number, since it is larger than the sum of its proper divisors (908407835).

4021316965 is a wasteful number, since it uses less digits than its factorization.

4021316965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40476.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 4021316965 is about 63413.8546770341. The cubic root of 4021316965 is about 1590.2159385266.

The spelling of 4021316965 in words is "four billion, twenty-one million, three hundred sixteen thousand, nine hundred sixty-five".