3542959809 has 24 divisors (see below), whose sum is σ = 5145940800. Its totient is φ = 2348934432.

The previous prime is 3542959807. The next prime is 3542959831. The reversal of 3542959809 is 9089592453.

It is a happy number.

3542959809 is a `hidden beast` number, since 3 + 5 + 42 + 9 + 598 + 0 + 9 = 666.

It is not a de Polignac number, because 3542959809 - 2¹ = 3542959807 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3542959807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1578442 + ... + 1580684.

It is an arithmetic number, because the mean of its divisors is an integer number (214414200).

Almost surely, 2^3542959809 is an apocalyptic number.

It is an amenable number.

3542959809 is a deficient number, since it is larger than the sum of its proper divisors (1602980991).

3542959809 is a wasteful number, since it uses less digits than its factorization.

3542959809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141 (or 3138 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The square root of 3542959809 is about 59522.7671483778. The cubic root of 3542959809 is about 1524.4812079621.

The spelling of 3542959809 in words is "three billion, five hundred forty-two million, nine hundred fifty-nine thousand, eight hundred nine".