3455121605 has 32 divisors (see below), whose sum is σ = 4593773184. Its totient is φ = 2478180096.

The previous prime is 3455121589. The next prime is 3455121611. The reversal of 3455121605 is 5061215543.

It is a cyclic number.

It is not a de Polignac number, because 3455121605 - 2⁴ = 3455121589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2122802 + ... + 2124428.

It is an arithmetic number, because the mean of its divisors is an integer number (143555412).

Almost surely, 2^3455121605 is an apocalyptic number.

It is an amenable number.

3455121605 is a deficient number, since it is larger than the sum of its proper divisors (1138651579).

3455121605 is a wasteful number, since it uses less digits than its factorization.

3455121605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 3455121605 is about 58780.2824508355. The cubic root of 3455121605 is about 1511.7771577759. Note that the first 3 decimals are identical.

The spelling of 3455121605 in words is "three billion, four hundred fifty-five million, one hundred twenty-one thousand, six hundred five".