3654301921 has 4 divisors (see below), whose sum is σ = 3654623232. Its totient is φ = 3653980612.

The previous prime is 3654301909. The next prime is 3654301927. The reversal of 3654301921 is 1291034563.

3654301921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3654301921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3654301927) 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, 142945 + ... + 166558.

It is an arithmetic number, because the mean of its divisors is an integer number (913655808).

Almost surely, 2^3654301921 is an apocalyptic number.

It is an amenable number.

3654301921 is a deficient number, since it is larger than the sum of its proper divisors (321311).

3654301921 is a wasteful number, since it uses less digits than its factorization.

3654301921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321310.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 3654301921 is about 60450.8223351842. The cubic root of 3654301921 is about 1540.2863807938.

The spelling of 3654301921 in words is "three billion, six hundred fifty-four million, three hundred one thousand, nine hundred twenty-one".