3421405791 has 32 divisors (see below), whose sum is σ = 5356492800. Its totient is φ = 2152396800.

The previous prime is 3421405789. The next prime is 3421405807. The reversal of 3421405791 is 1975041243.

3421405791 is a `hidden beast` number, since 3 + 42 + 1 + 40 + 579 + 1 = 666.

It is not a de Polignac number, because 3421405791 - 2¹ = 3421405789 is a prime.

It is a super-3 number, since 3×3421405791³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421405711) 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 31 ways as a sum of consecutive naturals, for example, 118866 + ... + 144816.

It is an arithmetic number, because the mean of its divisors is an integer number (167390400).

Almost surely, 2^3421405791 is an apocalyptic number.

3421405791 is a deficient number, since it is larger than the sum of its proper divisors (1935087009).

3421405791 is a wasteful number, since it uses less digits than its factorization.

3421405791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26236 (or 26230 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 3421405791 is about 58492.7840934247. The cubic root of 3421405791 is about 1506.8436607197.

The spelling of 3421405791 in words is "three billion, four hundred twenty-one million, four hundred five thousand, seven hundred ninety-one".