3420005491 has 8 divisors (see below), whose sum is σ = 4114292480. Its totient is φ = 2777147208.

The previous prime is 3420005483. The next prime is 3420005507. The reversal of 3420005491 is 1945000243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3420005491 - 2³ = 3420005483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3420009491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12857031 + ... + 12857296.

It is an arithmetic number, because the mean of its divisors is an integer number (514286560).

Almost surely, 2^3420005491 is an apocalyptic number.

3420005491 is a deficient number, since it is larger than the sum of its proper divisors (694286989).

3420005491 is a wasteful number, since it uses less digits than its factorization.

3420005491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25714353.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 3420005491 is about 58480.8130158944. The cubic root of 3420005491 is about 1506.6380609132.

The spelling of 3420005491 in words is "three billion, four hundred twenty million, five thousand, four hundred ninety-one".