3455812639 has 4 divisors (see below), whose sum is σ = 3459864856. Its totient is φ = 3451760424.

The previous prime is 3455812597. The next prime is 3455812643. The reversal of 3455812639 is 9362185543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9362185543 = 70729 ⋅132367.

It is a cyclic number.

It is not a de Polignac number, because 3455812639 - 2²⁷ = 3321594911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3455812439) 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 3 ways as a sum of consecutive naturals, for example, 2024829 + ... + 2026534.

It is an arithmetic number, because the mean of its divisors is an integer number (864966214).

Almost surely, 2^3455812639 is an apocalyptic number.

3455812639 is a deficient number, since it is larger than the sum of its proper divisors (4052217).

3455812639 is an equidigital number, since it uses as much as digits as its factorization.

3455812639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4052216.

The product of its digits is 777600, while the sum is 46.

The square root of 3455812639 is about 58786.1602675324. The cubic root of 3455812639 is about 1511.8779376130.

The spelling of 3455812639 in words is "three billion, four hundred fifty-five million, eight hundred twelve thousand, six hundred thirty-nine".