3549655901 has 4 divisors (see below), whose sum is σ = 3872351904. Its totient is φ = 3226959900.

The previous prime is 3549655847. The next prime is 3549655903. The reversal of 3549655901 is 1095569453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3549655901 - 2¹⁰ = 3549654877 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 (3549655903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161347985 + ... + 161348006.

It is an arithmetic number, because the mean of its divisors is an integer number (968087976).

Almost surely, 2^3549655901 is an apocalyptic number.

It is an amenable number.

3549655901 is a deficient number, since it is larger than the sum of its proper divisors (322696003).

3549655901 is a wasteful number, since it uses less digits than its factorization.

3549655901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322696002.

The product of its (nonzero) digits is 729000, while the sum is 47.

The square root of 3549655901 is about 59578.9887544258. The cubic root of 3549655901 is about 1525.4410120742.

The spelling of 3549655901 in words is "three billion, five hundred forty-nine million, six hundred fifty-five thousand, nine hundred one".