3423758661 has 6 divisors (see below), whose sum is σ = 4945429190. Its totient is φ = 2282505768.

The previous prime is 3423758659. The next prime is 3423758677. The reversal of 3423758661 is 1668573243.

3423758661 is a `hidden beast` number, since 3 + 4 + 2 + 3 + 7 + 586 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3387938436 + 35820225 = 58206^2 + 5985^2 .

It is not a de Polignac number, because 3423758661 - 2¹ = 3423758659 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 (3423758461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190208806 + ... + 190208823.

Almost surely, 2^3423758661 is an apocalyptic number.

It is an amenable number.

3423758661 is a deficient number, since it is larger than the sum of its proper divisors (1521670529).

3423758661 is a wasteful number, since it uses less digits than its factorization.

3423758661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380417635 (or 380417632 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 3423758661 is about 58512.8931176711. The cubic root of 3423758661 is about 1507.1889958496.

The spelling of 3423758661 in words is "three billion, four hundred twenty-three million, seven hundred fifty-eight thousand, six hundred sixty-one".