3683061421 has 8 divisors (see below), whose sum is σ = 3968266680. Its totient is φ = 3398126592.

The previous prime is 3683061419. The next prime is 3683061469. The reversal of 3683061421 is 1241603863.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 154107396 + 3528954025 = 12414^2 + 59405^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3683061421 - 2¹ = 3683061419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3683061401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38860 + ... + 94213.

It is an arithmetic number, because the mean of its divisors is an integer number (496033335).

Almost surely, 2^3683061421 is an apocalyptic number.

It is an amenable number.

3683061421 is a deficient number, since it is larger than the sum of its proper divisors (285205259).

3683061421 is a wasteful number, since it uses less digits than its factorization.

3683061421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135215.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 3683061421 is about 60688.2313220611. The cubic root of 3683061421 is about 1544.3165315509.

The spelling of 3683061421 in words is "three billion, six hundred eighty-three million, sixty-one thousand, four hundred twenty-one".