4021969404 has 12 divisors (see below), whose sum is σ = 9384595304. Its totient is φ = 1340656464.

The previous prime is 4021969403. The next prime is 4021969423. The reversal of 4021969404 is 4049691204.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021969403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167582047 + ... + 167582070.

Almost surely, 2^4021969404 is an apocalyptic number.

It is an amenable number.

4021969404 is an abundant number, since it is smaller than the sum of its proper divisors (5362625900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021969404 is a wasteful number, since it uses less digits than its factorization.

4021969404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335164124 (or 335164122 counting only the distinct ones).

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

The square root of 4021969404 is about 63418.9987622006. The cubic root of 4021969404 is about 1590.3019354608.

The spelling of 4021969404 in words is "four billion, twenty-one million, nine hundred sixty-nine thousand, four hundred four".