5640122239 has 4 divisors (see below), whose sum is σ = 5640626824. Its totient is φ = 5639617656.

The previous prime is 5640122233. The next prime is 5640122309. The reversal of 5640122239 is 9322210465.

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

It is a cyclic number.

It is not a de Polignac number, because 5640122239 - 2¹³ = 5640114047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640122233) 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, 235137 + ... + 258010.

It is an arithmetic number, because the mean of its divisors is an integer number (1410156706).

Almost surely, 2^5640122239 is an apocalyptic number.

5640122239 is a deficient number, since it is larger than the sum of its proper divisors (504585).

5640122239 is a wasteful number, since it uses less digits than its factorization.

5640122239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504584.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 5640122239 is about 75100.7472599308. The cubic root of 5640122239 is about 1780.0389503533.

The spelling of 5640122239 in words is "five billion, six hundred forty million, one hundred twenty-two thousand, two hundred thirty-nine".