3556465641 has 12 divisors (see below), whose sum is σ = 5275958532. Its totient is φ = 2306896416.

The previous prime is 3556465639. The next prime is 3556465681. The reversal of 3556465641 is 1465646553.

3556465641 is a `hidden beast` number, since 3 + 556 + 4 + 6 + 56 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2922483600 + 633982041 = 54060^2 + 25179^2 .

It is not a de Polignac number, because 3556465641 - 2¹ = 3556465639 is a prime.

It is a super-2 number, since 2×3556465641² = 25296895711227081762, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3556465681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5339706 + ... + 5340371.

It is an arithmetic number, because the mean of its divisors is an integer number (439663211).

Almost surely, 2^3556465641 is an apocalyptic number.

It is an amenable number.

3556465641 is a deficient number, since it is larger than the sum of its proper divisors (1719492891).

3556465641 is a wasteful number, since it uses less digits than its factorization.

3556465641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10680120 (or 10680117 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The square root of 3556465641 is about 59636.1102101738. The cubic root of 3556465641 is about 1526.4158690999.

The spelling of 3556465641 in words is "three billion, five hundred fifty-six million, four hundred sixty-five thousand, six hundred forty-one".