3641903641 has 4 divisors (see below), whose sum is σ = 3833582800. Its totient is φ = 3450224484.

The previous prime is 3641903633. The next prime is 3641903663. The reversal of 3641903641 is 1463091463.

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 not a de Polignac number, because 3641903641 - 2³ = 3641903633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3641903641.

It is not an unprimeable number, because it can be changed into a prime (3641903141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95839551 + ... + 95839588.

It is an arithmetic number, because the mean of its divisors is an integer number (958395700).

Almost surely, 2^3641903641 is an apocalyptic number.

It is an amenable number.

3641903641 is a deficient number, since it is larger than the sum of its proper divisors (191679159).

3641903641 is a wasteful number, since it uses less digits than its factorization.

3641903641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191679158.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 3641903641 is about 60348.1867250376. The cubic root of 3641903641 is about 1538.5424508264.

The spelling of 3641903641 in words is "three billion, six hundred forty-one million, nine hundred three thousand, six hundred forty-one".