3345377421 has 16 divisors (see below), whose sum is σ = 4560998400. Its totient is φ = 2180120688.

The previous prime is 3345377417. The next prime is 3345377429. The reversal of 3345377421 is 1247735433.

3345377421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3345377421 - 2² = 3345377417 is a prime.

It is a super-2 number, since 2×3345377421² = 22383100177873222482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3345377421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3345377429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104160 + ... + 132438.

It is an arithmetic number, because the mean of its divisors is an integer number (285062400).

Almost surely, 2^3345377421 is an apocalyptic number.

It is an amenable number.

3345377421 is a deficient number, since it is larger than the sum of its proper divisors (1215620979).

3345377421 is a wasteful number, since it uses less digits than its factorization.

3345377421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29168.

The product of its digits is 211680, while the sum is 39.

The square root of 3345377421 is about 57839.2377283795. The cubic root of 3345377421 is about 1495.5985673370.

The spelling of 3345377421 in words is "three billion, three hundred forty-five million, three hundred seventy-seven thousand, four hundred twenty-one".