3424771921 has 6 divisors (see below), whose sum is σ = 3580149650. Its totient is φ = 3275868288.

The previous prime is 3424771901. The next prime is 3424771993. The reversal of 3424771921 is 1291774243.

It is a happy number.

3424771921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2377537600 + 1047234321 = 48760^2 + 32361^2 .

It is not a de Polignac number, because 3424771921 - 2¹⁹ = 3424247633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3424771901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3236496 + ... + 3237553.

Almost surely, 2^3424771921 is an apocalyptic number.

It is an amenable number.

3424771921 is a deficient number, since it is larger than the sum of its proper divisors (155377729).

3424771921 is an equidigital number, since it uses as much as digits as its factorization.

3424771921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6474095 (or 6474072 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 3424771921 is about 58521.5509107542. The cubic root of 3424771921 is about 1507.3376651769.

The spelling of 3424771921 in words is "three billion, four hundred twenty-four million, seven hundred seventy-one thousand, nine hundred twenty-one".