3453763661 has 4 divisors (see below), whose sum is σ = 3565175424. Its totient is φ = 3342351900.

The previous prime is 3453763601. The next prime is 3453763669. The reversal of 3453763661 is 1663673543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3453763661 - 2³⁰ = 2380021837 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 (3453763669) 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, 55705835 + ... + 55705896.

It is an arithmetic number, because the mean of its divisors is an integer number (891293856).

Almost surely, 2^3453763661 is an apocalyptic number.

3453763661 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3453763661 is a deficient number, since it is larger than the sum of its proper divisors (111411763).

3453763661 is a wasteful number, since it uses less digits than its factorization.

3453763661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111411762.

The product of its digits is 816480, while the sum is 44.

The square root of 3453763661 is about 58768.7302993692. The cubic root of 3453763661 is about 1511.5790771716.

The spelling of 3453763661 in words is "three billion, four hundred fifty-three million, seven hundred sixty-three thousand, six hundred sixty-one".