3683052921 has 4 divisors (see below), whose sum is σ = 4910737232. Its totient is φ = 2455368612.

The previous prime is 3683052883. The next prime is 3683052953. The reversal of 3683052921 is 1292503863.

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 3683052921 - 2¹⁷ = 3682921849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3683052921.

It is not an unprimeable number, because it can be changed into a prime (3683052221) 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, 613842151 + ... + 613842156.

It is an arithmetic number, because the mean of its divisors is an integer number (1227684308).

Almost surely, 2^3683052921 is an apocalyptic number.

It is an amenable number.

3683052921 is a deficient number, since it is larger than the sum of its proper divisors (1227684311).

3683052921 is a wasteful number, since it uses less digits than its factorization.

3683052921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227684310.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 3683052921 is about 60688.1612919686. The cubic root of 3683052921 is about 1544.3153435265.

The spelling of 3683052921 in words is "three billion, six hundred eighty-three million, fifty-two thousand, nine hundred twenty-one".