3653279064849 has 4 divisors (see below), whose sum is σ = 4871038753136. Its totient is φ = 2435519376564.

The previous prime is 3653279064847. The next prime is 3653279064863. The reversal of 3653279064849 is 9484609723563.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3653279064849 - 2¹ = 3653279064847 is a prime.

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 3653279064849.

It is not an unprimeable number, because it can be changed into a prime (3653279064847) 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, 608879844139 + ... + 608879844144.

It is an arithmetic number, because the mean of its divisors is an integer number (1217759688284).

Almost surely, 2^{3653279064849} is an apocalyptic number.

It is an amenable number.

3653279064849 is a deficient number, since it is larger than the sum of its proper divisors (1217759688287).

3653279064849 is a wasteful number, since it uses less digits than its factorization.

3653279064849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217759688286.

The product of its (nonzero) digits is 235146240, while the sum is 66.

The spelling of 3653279064849 in words is "three trillion, six hundred fifty-three billion, two hundred seventy-nine million, sixty-four thousand, eight hundred forty-nine".