3655425819 has 8 divisors (see below), whose sum is σ = 4904945680. Its totient is φ = 2421428256.

The previous prime is 3655425773. The next prime is 3655425821. The reversal of 3655425819 is 9185245563.

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

It is not a de Polignac number, because 3655425819 - 2⁸ = 3655425563 is a prime.

It is a super-2 number, since 2×3655425819² = 26724275836423641522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3655425899) 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, 3880024 + ... + 3880965.

It is an arithmetic number, because the mean of its divisors is an integer number (613118210).

Almost surely, 2^3655425819 is an apocalyptic number.

3655425819 is a deficient number, since it is larger than the sum of its proper divisors (1249519861).

3655425819 is a wasteful number, since it uses less digits than its factorization.

3655425819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7761149.

The product of its digits is 1296000, while the sum is 48.

The square root of 3655425819 is about 60460.1175900279. The cubic root of 3655425819 is about 1540.4442720846. Note that the first 3 decimals are identical.

The spelling of 3655425819 in words is "three billion, six hundred fifty-five million, four hundred twenty-five thousand, eight hundred nineteen".