3452636827861 has 4 divisors (see below), whose sum is σ = 3718224276172. Its totient is φ = 3187049379552.

The previous prime is 3452636827807. The next prime is 3452636827873. The reversal of 3452636827861 is 1687286362543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 249306481636 + 3203330346225 = 499306^2 + 1789785^2 .

It is a cyclic number.

It is not a de Polignac number, because 3452636827861 - 2²⁵ = 3452603273429 is a prime.

It is a super-3 number, since 3×3452636827861³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3452636827861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3452636827891) 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, 132793724136 + ... + 132793724161.

It is an arithmetic number, because the mean of its divisors is an integer number (929556069043).

Almost surely, 2^{3452636827861} is an apocalyptic number.

It is an amenable number.

3452636827861 is a deficient number, since it is larger than the sum of its proper divisors (265587448311).

3452636827861 is a wasteful number, since it uses less digits than its factorization.

3452636827861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265587448310.

The product of its digits is 69672960, while the sum is 61.

The spelling of 3452636827861 in words is "three trillion, four hundred fifty-two billion, six hundred thirty-six million, eight hundred twenty-seven thousand, eight hundred sixty-one".