3649671369601 has 8 divisors (see below), whose sum is σ = 3866225699880. Its totient is φ = 3433324570368.

The previous prime is 3649671369587. The next prime is 3649671369611. The reversal of 3649671369601 is 1069631769463.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 588098799376 + 3061572570225 = 766876^2 + 1749735^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3649671369601 - 2⁵ = 3649671369569 is a prime.

It is a super-2 number, since 2×3649671369601² (a number of 26 digits) contains 22 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 3649671369601.

It is not an unprimeable number, because it can be changed into a prime (3649671369611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51846546 + ... + 51916891.

It is an arithmetic number, because the mean of its divisors is an integer number (483278212485).

Almost surely, 2^{3649671369601} is an apocalyptic number.

It is an amenable number.

3649671369601 is a deficient number, since it is larger than the sum of its proper divisors (216554330279).

3649671369601 is a wasteful number, since it uses less digits than its factorization.

3649671369601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103765523.

The product of its (nonzero) digits is 26453952, while the sum is 61.

The spelling of 3649671369601 in words is "three trillion, six hundred forty-nine billion, six hundred seventy-one million, three hundred sixty-nine thousand, six hundred one".