5394242909 has 4 divisors (see below), whose sum is σ = 5884628640. Its totient is φ = 4903857180.

The previous prime is 5394242897. The next prime is 5394242927. The reversal of 5394242909 is 9092424935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5394242909 is a prime.

It is a super-2 number, since 2×5394242909² = 58195713122593564562, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5394242929) 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, 245192849 + ... + 245192870.

It is an arithmetic number, because the mean of its divisors is an integer number (1471157160).

Almost surely, 2^5394242909 is an apocalyptic number.

It is an amenable number.

5394242909 is a deficient number, since it is larger than the sum of its proper divisors (490385731).

5394242909 is a wasteful number, since it uses less digits than its factorization.

5394242909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490385730.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 5394242909 is about 73445.5097946770. The cubic root of 5394242909 is about 1753.7869458132.

The spelling of 5394242909 in words is "five billion, three hundred ninety-four million, two hundred forty-two thousand, nine hundred nine".