3654648379 has 4 divisors (see below), whose sum is σ = 3655085800. Its totient is φ = 3654210960.

The previous prime is 3654648377. The next prime is 3654648401. The reversal of 3654648379 is 9738464563.

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

It is a cyclic number.

It is not a de Polignac number, because 3654648379 - 2¹ = 3654648377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3654648377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205929 + ... + 222970.

It is an arithmetic number, because the mean of its divisors is an integer number (913771450).

Almost surely, 2^3654648379 is an apocalyptic number.

3654648379 is a deficient number, since it is larger than the sum of its proper divisors (437421).

3654648379 is an equidigital number, since it uses as much as digits as its factorization.

3654648379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437420.

The product of its digits is 13063680, while the sum is 55.

The square root of 3654648379 is about 60453.6878858519. The cubic root of 3654648379 is about 1540.3350565452.

The spelling of 3654648379 in words is "three billion, six hundred fifty-four million, six hundred forty-eight thousand, three hundred seventy-nine".