5617421345 has 16 divisors (see below), whose sum is σ = 7125408000. Its totient is φ = 4239583488.

The previous prime is 5617421273. The next prime is 5617421347. The reversal of 5617421345 is 5431247165.

It is a cyclic number.

It is not a de Polignac number, because 5617421345 - 2¹² = 5617417249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5617421299 and 5617421308.

It is not an unprimeable number, because it can be changed into a prime (5617421347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101000 + ... + 146409.

It is an arithmetic number, because the mean of its divisors is an integer number (445338000).

Almost surely, 2^5617421345 is an apocalyptic number.

It is an amenable number.

5617421345 is a deficient number, since it is larger than the sum of its proper divisors (1507986655).

5617421345 is a wasteful number, since it uses less digits than its factorization.

5617421345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247672.

The product of its digits is 100800, while the sum is 38.

The square root of 5617421345 is about 74949.4586037818. The cubic root of 5617421345 is about 1777.6475831311.

The spelling of 5617421345 in words is "five billion, six hundred seventeen million, four hundred twenty-one thousand, three hundred forty-five".