3345553421 has 12 divisors (see below), whose sum is σ = 4035320352. Its totient is φ = 2716687944.

The previous prime is 3345553417. The next prime is 3345553447. The reversal of 3345553421 is 1243555433.

It is a happy number.

It is not a de Polignac number, because 3345553421 - 2² = 3345553417 is a prime.

It is a super-2 number, since 2×3345553421² = 22385455385529606482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3345552421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 659435 + ... + 664488.

It is an arithmetic number, because the mean of its divisors is an integer number (336276696).

Almost surely, 2^3345553421 is an apocalyptic number.

It is an amenable number.

3345553421 is a deficient number, since it is larger than the sum of its proper divisors (689766931).

3345553421 is a wasteful number, since it uses less digits than its factorization.

3345553421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323968 (or 1323949 counting only the distinct ones).

The product of its digits is 108000, while the sum is 35.

The square root of 3345553421 is about 57840.7591668712. The cubic root of 3345553421 is about 1495.6247946450.

The spelling of 3345553421 in words is "three billion, three hundred forty-five million, five hundred fifty-three thousand, four hundred twenty-one".