4021616469 has 32 divisors (see below), whose sum is σ = 6031347840. Its totient is φ = 2367090432.

The previous prime is 4021616363. The next prime is 4021616471. The reversal of 4021616469 is 9646161204.

It is not a de Polignac number, because 4021616469 - 2¹⁶ = 4021550933 is a prime.

It is a super-2 number, since 2×4021616469² = 32346798047464055922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021636469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61519 + ... + 108755.

It is an arithmetic number, because the mean of its divisors is an integer number (188479620).

Almost surely, 2^4021616469 is an apocalyptic number.

It is an amenable number.

4021616469 is a deficient number, since it is larger than the sum of its proper divisors (2009731371).

4021616469 is a wasteful number, since it uses less digits than its factorization.

4021616469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47349.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 4021616469 is about 63416.2161359380. The cubic root of 4021616469 is about 1590.2554168215.

The spelling of 4021616469 in words is "four billion, twenty-one million, six hundred sixteen thousand, four hundred sixty-nine".