3541620641 has 16 divisors (see below), whose sum is σ = 3860347008. Its totient is φ = 3229632000.

The previous prime is 3541620629. The next prime is 3541620673. The reversal of 3541620641 is 1460261453.

3541620641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3541620641 - 2¹⁰ = 3541619617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3541620598 and 3541620607.

It is not an unprimeable number, because it can be changed into a prime (3541620611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793466 + ... + 797916.

It is an arithmetic number, because the mean of its divisors is an integer number (241271688).

Almost surely, 2^3541620641 is an apocalyptic number.

It is an amenable number.

3541620641 is a deficient number, since it is larger than the sum of its proper divisors (318726367).

3541620641 is a wasteful number, since it uses less digits than its factorization.

3541620641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5192.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 3541620641 is about 59511.5168769878. The cubic root of 3541620641 is about 1524.2891092805.

The spelling of 3541620641 in words is "three billion, five hundred forty-one million, six hundred twenty thousand, six hundred forty-one".