3473667921 has 4 divisors (see below), whose sum is σ = 4631557232. Its totient is φ = 2315778612.

The previous prime is 3473667881. The next prime is 3473667941. The reversal of 3473667921 is 1297663743.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1297663743 = 3 ⋅432554581.

It is not a de Polignac number, because 3473667921 - 2⁷ = 3473667793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3473667941) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 578944651 + ... + 578944656.

It is an arithmetic number, because the mean of its divisors is an integer number (1157889308).

Almost surely, 2^3473667921 is an apocalyptic number.

It is an amenable number.

3473667921 is a deficient number, since it is larger than the sum of its proper divisors (1157889311).

3473667921 is a wasteful number, since it uses less digits than its factorization.

3473667921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157889310.

The product of its digits is 1143072, while the sum is 48.

The square root of 3473667921 is about 58937.8309831639. The cubic root of 3473667921 is about 1514.4772922542.

The spelling of 3473667921 in words is "three billion, four hundred seventy-three million, six hundred sixty-seven thousand, nine hundred twenty-one".