3641404111 has 4 divisors (see below), whose sum is σ = 3766969800. Its totient is φ = 3515838424.

The previous prime is 3641404073. The next prime is 3641404121. The reversal of 3641404111 is 1114041463.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3641404111 - 2²¹ = 3639306959 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 (3641404121) 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, 62782801 + ... + 62782858.

It is an arithmetic number, because the mean of its divisors is an integer number (941742450).

Almost surely, 2^3641404111 is an apocalyptic number.

3641404111 is a deficient number, since it is larger than the sum of its proper divisors (125565689).

3641404111 is a wasteful number, since it uses less digits than its factorization.

3641404111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125565688.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 3641404111 is about 60344.0478506373. The cubic root of 3641404111 is about 1538.4721045343.

Adding to 3641404111 its reverse (1114041463), we get a palindrome (4755445574).

The spelling of 3641404111 in words is "three billion, six hundred forty-one million, four hundred four thousand, one hundred eleven".