3543820901 has 8 divisors (see below), whose sum is σ = 3773015064. Its totient is φ = 3316930560.

The previous prime is 3543820879. The next prime is 3543820913. The reversal of 3543820901 is 1090283453.

It is a Cunningham number, because it is equal to 59530²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 39062500 + 3504758401 = 6250^2 + 59201^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3543820901 - 2⁶ = 3543820837 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 (3543820961) 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 7 ways as a sum of consecutive naturals, for example, 572780 + ... + 578933.

It is an arithmetic number, because the mean of its divisors is an integer number (471626883).

Almost surely, 2^3543820901 is an apocalyptic number.

It is an amenable number.

3543820901 is a deficient number, since it is larger than the sum of its proper divisors (229194163).

3543820901 is a wasteful number, since it uses less digits than its factorization.

3543820901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151911.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 3543820901 is about 59530.0000083991. Note that the first 5 decimals coincide. The cubic root of 3543820901 is about 1524.6047028466.

The spelling of 3543820901 in words is "three billion, five hundred forty-three million, eight hundred twenty thousand, nine hundred one".