3649632935617 has 4 divisors (see below), whose sum is σ = 3775482347220. Its totient is φ = 3523783524016.

The previous prime is 3649632935603. The next prime is 3649632935623. The reversal of 3649632935617 is 7165392369463.

It is a happy number.

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 712810406961 + 2936822528656 = 844281^2 + 1713716^2 .

It is a cyclic number.

It is not a de Polignac number, because 3649632935617 - 2²⁷ = 3649498717889 is a prime.

It is a super-2 number, since 2×3649632935617² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3649632935647) 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, 62924705758 + ... + 62924705815.

It is an arithmetic number, because the mean of its divisors is an integer number (943870586805).

Almost surely, 2^{3649632935617} is an apocalyptic number.

It is an amenable number.

3649632935617 is a deficient number, since it is larger than the sum of its proper divisors (125849411603).

3649632935617 is a wasteful number, since it uses less digits than its factorization.

3649632935617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125849411602.

The product of its digits is 132269760, while the sum is 64.

The spelling of 3649632935617 in words is "three trillion, six hundred forty-nine billion, six hundred thirty-two million, nine hundred thirty-five thousand, six hundred seventeen".