3609126979 has 4 divisors (see below), whose sum is σ = 3821428584. Its totient is φ = 3396825376.

The previous prime is 3609126977. The next prime is 3609126991. The reversal of 3609126979 is 9796219063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9796219063 = 19 ⋅515590477.

It is a cyclic number.

It is not a de Polignac number, because 3609126979 - 2¹ = 3609126977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3609126973) 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 3 ways as a sum of consecutive naturals, for example, 106150777 + ... + 106150810.

It is an arithmetic number, because the mean of its divisors is an integer number (955357146).

Almost surely, 2^3609126979 is an apocalyptic number.

3609126979 is a deficient number, since it is larger than the sum of its proper divisors (212301605).

3609126979 is a wasteful number, since it uses less digits than its factorization.

3609126979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212301604.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The square root of 3609126979 is about 60076.0100123169. The cubic root of 3609126979 is about 1533.9129736330.

The spelling of 3609126979 in words is "three billion, six hundred nine million, one hundred twenty-six thousand, nine hundred seventy-nine".