3406636631065 has 16 divisors (see below), whose sum is σ = 4089752306640. Its totient is φ = 2724117338880.

The previous prime is 3406636631051. The next prime is 3406636631131. The reversal of 3406636631065 is 5601366366043.

It can be written as a sum of positive squares in 8 ways, for example, as 149091743376 + 3257544887689 = 386124^2 + 1804867^2 .

It is not a de Polignac number, because 3406636631065 - 2²⁷ = 3406502413337 is a prime.

It is a super-2 number, since 2×3406636631065² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167071891 + ... + 167092279.

It is an arithmetic number, because the mean of its divisors is an integer number (255609519165).

Almost surely, 2^{3406636631065} is an apocalyptic number.

It is an amenable number.

3406636631065 is a deficient number, since it is larger than the sum of its proper divisors (683115675575).

3406636631065 is a wasteful number, since it uses less digits than its factorization.

3406636631065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33372.

The product of its (nonzero) digits is 4199040, while the sum is 49.

The spelling of 3406636631065 in words is "three trillion, four hundred six billion, six hundred thirty-six million, six hundred thirty-one thousand, sixty-five".