3541489901 has 4 divisors (see below), whose sum is σ = 3541619772. Its totient is φ = 3541360032.

The previous prime is 3541489873. The next prime is 3541489907. The reversal of 3541489901 is 1099841453.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1099841453 = 6883 ⋅159791.

It can be written as a sum of positive squares in 2 ways, for example, as 3124921801 + 416568100 = 55901^2 + 20410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3541489901 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 (3541489907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6506 + ... + 84411.

It is an arithmetic number, because the mean of its divisors is an integer number (885404943).

Almost surely, 2^3541489901 is an apocalyptic number.

It is an amenable number.

3541489901 is a deficient number, since it is larger than the sum of its proper divisors (129871).

3541489901 is an equidigital number, since it uses as much as digits as its factorization.

3541489901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129870.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 3541489901 is about 59510.4184240037. The cubic root of 3541489901 is about 1524.2703525181.

The spelling of 3541489901 in words is "three billion, five hundred forty-one million, four hundred eighty-nine thousand, nine hundred one".