5618497258 has 32 divisors (see below), whose sum is σ = 9709539840. Its totient is φ = 2411512560.

The previous prime is 5618497243. The next prime is 5618497259. The reversal of 5618497258 is 8527948165.

It is a happy number.

It is a super-2 number, since 2×5618497258² = 63135022876307037128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5618497199 and 5618497208.

It is not an unprimeable number, because it can be changed into a prime (5618497259) 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, 106435 + ... + 150217.

It is an arithmetic number, because the mean of its divisors is an integer number (303423120).

Almost surely, 2^5618497258 is an apocalyptic number.

5618497258 is a deficient number, since it is larger than the sum of its proper divisors (4091042582).

5618497258 is a wasteful number, since it uses less digits than its factorization.

5618497258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44122.

The product of its digits is 4838400, while the sum is 55.

The square root of 5618497258 is about 74956.6358503368. The cubic root of 5618497258 is about 1777.7610677078.

The spelling of 5618497258 in words is "five billion, six hundred eighteen million, four hundred ninety-seven thousand, two hundred fifty-eight".