4010065921 has 8 divisors (see below), whose sum is σ = 4172873760. Its totient is φ = 3850419552.

The previous prime is 4010065907. The next prime is 4010065933. The reversal of 4010065921 is 1295600104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4010065921 - 2¹³ = 4010057729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4010065921.

It is not an unprimeable number, because it can be changed into a prime (4010065981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787780 + ... + 792853.

It is an arithmetic number, because the mean of its divisors is an integer number (521609220).

Almost surely, 2^4010065921 is an apocalyptic number.

It is an amenable number.

4010065921 is a deficient number, since it is larger than the sum of its proper divisors (162807839).

4010065921 is a wasteful number, since it uses less digits than its factorization.

4010065921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580735.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 4010065921 is about 63325.0812948550. The cubic root of 4010065921 is about 1588.7314910490.

The spelling of 4010065921 in words is "four billion, ten million, sixty-five thousand, nine hundred twenty-one".