3541021843 has 4 divisors (see below), whose sum is σ = 3544392088. Its totient is φ = 3537651600.

The previous prime is 3541021823. The next prime is 3541021871. The reversal of 3541021843 is 3481201453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3481201453 = 839 ⋅4149227.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3541021843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3541021823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683546 + ... + 1685647.

It is an arithmetic number, because the mean of its divisors is an integer number (886098022).

Almost surely, 2^3541021843 is an apocalyptic number.

3541021843 is a deficient number, since it is larger than the sum of its proper divisors (3370245).

3541021843 is a wasteful number, since it uses less digits than its factorization.

3541021843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370244.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 3541021843 is about 59506.4857221463. The cubic root of 3541021843 is about 1524.2031982615.

The spelling of 3541021843 in words is "three billion, five hundred forty-one million, twenty-one thousand, eight hundred forty-three".