3653949363 has 4 divisors (see below), whose sum is σ = 4871932488. Its totient is φ = 2435966240.

The previous prime is 3653949361. The next prime is 3653949401. The reversal of 3653949363 is 3639493563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3639493563 = 3 ⋅1213164521.

It is a cyclic number.

It is not a de Polignac number, because 3653949363 - 2¹ = 3653949361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3653949361) 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, 608991558 + ... + 608991563.

It is an arithmetic number, because the mean of its divisors is an integer number (1217983122).

Almost surely, 2^3653949363 is an apocalyptic number.

3653949363 is a deficient number, since it is larger than the sum of its proper divisors (1217983125).

3653949363 is a wasteful number, since it uses less digits than its factorization.

3653949363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217983124.

The product of its digits is 4723920, while the sum is 51.

The square root of 3653949363 is about 60447.9061920262. The cubic root of 3653949363 is about 1540.2368448622.

The spelling of 3653949363 in words is "three billion, six hundred fifty-three million, nine hundred forty-nine thousand, three hundred sixty-three".