3641521403 has 8 divisors (see below), whose sum is σ = 3995632368. Its totient is φ = 3297981024.

The previous prime is 3641521379. The next prime is 3641521441. The reversal of 3641521403 is 3041251463.

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

It is not a de Polignac number, because 3641521403 - 2²⁴ = 3624744187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3641521603) 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, 2641925 + ... + 2643302.

It is an arithmetic number, because the mean of its divisors is an integer number (499454046).

Almost surely, 2^3641521403 is an apocalyptic number.

3641521403 is a deficient number, since it is larger than the sum of its proper divisors (354110965).

3641521403 is a wasteful number, since it uses less digits than its factorization.

3641521403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5285293.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 3641521403 is about 60345.0197033691. The cubic root of 3641521403 is about 1538.4886227534.

Adding to 3641521403 its reverse (3041251463), we get a palindrome (6682772866).

The spelling of 3641521403 in words is "three billion, six hundred forty-one million, five hundred twenty-one thousand, four hundred three".