3349967421 has 4 divisors (see below), whose sum is σ = 4466623232. Its totient is φ = 2233311612.

The previous prime is 3349967363. The next prime is 3349967437. The reversal of 3349967421 is 1247699433.

It is a happy number.

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: 1247699433 = 3 ⋅415899811.

It is not a de Polignac number, because 3349967421 - 2¹⁹ = 3349443133 is a prime.

It is a super-2 number, since 2×3349967421² = 22444563443522782482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3349967461) 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, 558327901 + ... + 558327906.

It is an arithmetic number, because the mean of its divisors is an integer number (1116655808).

Almost surely, 2^3349967421 is an apocalyptic number.

It is an amenable number.

3349967421 is a deficient number, since it is larger than the sum of its proper divisors (1116655811).

3349967421 is a wasteful number, since it uses less digits than its factorization.

3349967421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116655810.

The product of its digits is 979776, while the sum is 48.

The square root of 3349967421 is about 57878.9030735725. The cubic root of 3349967421 is about 1496.2822630115.

The spelling of 3349967421 in words is "three billion, three hundred forty-nine million, nine hundred sixty-seven thousand, four hundred twenty-one".