3450005661 has 16 divisors (see below), whose sum is σ = 4633496000. Its totient is φ = 2283310080.

The previous prime is 3450005621. The next prime is 3450005723. The reversal of 3450005661 is 1665000543.

It is not a de Polignac number, because 3450005661 - 2¹⁰ = 3450004637 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 (3450005621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282951 + ... + 294891.

It is an arithmetic number, because the mean of its divisors is an integer number (289593500).

Almost surely, 2^3450005661 is an apocalyptic number.

It is an amenable number.

3450005661 is a deficient number, since it is larger than the sum of its proper divisors (1183490339).

3450005661 is a wasteful number, since it uses less digits than its factorization.

3450005661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12636.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 3450005661 is about 58736.7488119661. The cubic root of 3450005661 is about 1511.0306343445.

The spelling of 3450005661 in words is "three billion, four hundred fifty million, five thousand, six hundred sixty-one".