3408625561 has 16 divisors (see below), whose sum is σ = 3771740160. Its totient is φ = 3054514320.

The previous prime is 3408625547. The next prime is 3408625589. The reversal of 3408625561 is 1655268043.

It is not a de Polignac number, because 3408625561 - 2⁷ = 3408625433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3408625501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 590656 + ... + 596398.

It is an arithmetic number, because the mean of its divisors is an integer number (235733760).

Almost surely, 2^3408625561 is an apocalyptic number.

It is an amenable number.

3408625561 is a deficient number, since it is larger than the sum of its proper divisors (363114599).

3408625561 is a wasteful number, since it uses less digits than its factorization.

3408625561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6516.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 3408625561 is about 58383.4356731428. The cubic root of 3408625561 is about 1504.9651115704.

The spelling of 3408625561 in words is "three billion, four hundred eight million, six hundred twenty-five thousand, five hundred sixty-one".