3721636041 has 8 divisors (see below), whose sum is σ = 4963848000. Its totient is φ = 2480257392.

The previous prime is 3721636021. The next prime is 3721636057. The reversal of 3721636041 is 1406361273.

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

It is not a de Polignac number, because 3721636041 - 2⁶ = 3721635977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3721635993 and 3721636011.

It is not an unprimeable number, because it can be changed into a prime (3721636021) 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, 197830 + ... + 215823.

It is an arithmetic number, because the mean of its divisors is an integer number (620481000).

Almost surely, 2^3721636041 is an apocalyptic number.

It is an amenable number.

3721636041 is a deficient number, since it is larger than the sum of its proper divisors (1242211959).

3721636041 is a wasteful number, since it uses less digits than its factorization.

3721636041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416655.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 3721636041 is about 61005.2132280513. The cubic root of 3721636041 is about 1549.6892947804.

The spelling of 3721636041 in words is "three billion, seven hundred twenty-one million, six hundred thirty-six thousand, forty-one".