3451581979 has 4 divisors (see below), whose sum is σ = 3485756160. Its totient is φ = 3417407800.

The previous prime is 3451581953. The next prime is 3451582021. The reversal of 3451581979 is 9791851543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3451581979 - 2⁹ = 3451581467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3451581929) 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, 17086939 + ... + 17087140.

It is an arithmetic number, because the mean of its divisors is an integer number (871439040).

Almost surely, 2^3451581979 is an apocalyptic number.

3451581979 is a deficient number, since it is larger than the sum of its proper divisors (34174181).

3451581979 is a wasteful number, since it uses less digits than its factorization.

3451581979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34174180.

The product of its digits is 1360800, while the sum is 52.

The square root of 3451581979 is about 58750.1657784895. The cubic root of 3451581979 is about 1511.2607307901.

The spelling of 3451581979 in words is "three billion, four hundred fifty-one million, five hundred eighty-one thousand, nine hundred seventy-nine".