5617421959 has 4 divisors (see below), whose sum is σ = 5642612416. Its totient is φ = 5592231504.

The previous prime is 5617421933. The next prime is 5617421969. The reversal of 5617421959 is 9591247165.

It is a happy number.

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 5617421959 - 2¹⁵ = 5617389191 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 (5617421969) 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, 12594894 + ... + 12595339.

It is an arithmetic number, because the mean of its divisors is an integer number (1410653104).

Almost surely, 2^5617421959 is an apocalyptic number.

5617421959 is a deficient number, since it is larger than the sum of its proper divisors (25190457).

5617421959 is a wasteful number, since it uses less digits than its factorization.

5617421959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25190456.

The product of its digits is 680400, while the sum is 49.

The square root of 5617421959 is about 74949.4626998753. The cubic root of 5617421959 is about 1777.6476478984.

The spelling of 5617421959 in words is "five billion, six hundred seventeen million, four hundred twenty-one thousand, nine hundred fifty-nine".