3641064421 has 8 divisors (see below), whose sum is σ = 3760004864. Its totient is φ = 3522216960.

The previous prime is 3641064377. The next prime is 3641064451. The reversal of 3641064421 is 1244601463.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3641064421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3641064451) 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 7 ways as a sum of consecutive naturals, for example, 61285 + ... + 105061.

It is an arithmetic number, because the mean of its divisors is an integer number (470000608).

Almost surely, 2^3641064421 is an apocalyptic number.

3641064421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3641064421 is a deficient number, since it is larger than the sum of its proper divisors (118940443).

3641064421 is a wasteful number, since it uses less digits than its factorization.

3641064421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46491.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 3641064421 is about 60341.2331743394. The cubic root of 3641064421 is about 1538.4242640288.

Adding to 3641064421 its reverse (1244601463), we get a palindrome (4885665884).

The spelling of 3641064421 in words is "three billion, six hundred forty-one million, sixty-four thousand, four hundred twenty-one".