3609427442 has 4 divisors (see below), whose sum is σ = 5414141166. Its totient is φ = 1804713720.

The previous prime is 3609427387. The next prime is 3609427447. The reversal of 3609427442 is 2447249063.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3607083481 + 2343961 = 60059^2 + 1531^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3609427442.

It is not an unprimeable number, because it can be changed into a prime (3609427447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 902356859 + ... + 902356862.

Almost surely, 2^3609427442 is an apocalyptic number.

3609427442 is a deficient number, since it is larger than the sum of its proper divisors (1804713724).

3609427442 is a wasteful number, since it uses less digits than its factorization.

3609427442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804713723.

The product of its (nonzero) digits is 290304, while the sum is 41.

The square root of 3609427442 is about 60078.5106506478. The cubic root of 3609427442 is about 1533.9555389872.

It can be divided in two parts, 36094 and 27442, that added together give a palindrome (63536).

The spelling of 3609427442 in words is "three billion, six hundred nine million, four hundred twenty-seven thousand, four hundred forty-two".