5742642609 has 64 divisors (see below), whose sum is σ = 9572935680. Its totient is φ = 3371751360.

The previous prime is 5742642589. The next prime is 5742642617. The reversal of 5742642609 is 9062462475.

It is not a de Polignac number, because 5742642609 - 2¹⁶ = 5742577073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5742642649) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2889114 + ... + 2891100.

It is an arithmetic number, because the mean of its divisors is an integer number (149577120).

Almost surely, 2^5742642609 is an apocalyptic number.

It is an amenable number.

5742642609 is a deficient number, since it is larger than the sum of its proper divisors (3830293071).

5742642609 is a wasteful number, since it uses less digits than its factorization.

5742642609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307 (or 2301 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 5742642609 is about 75780.2257122529. The cubic root of 5742642609 is about 1790.7594967860.

The spelling of 5742642609 in words is "five billion, seven hundred forty-two million, six hundred forty-two thousand, six hundred nine".