5618213671 has 4 divisors (see below), whose sum is σ = 6420815632. Its totient is φ = 4815611712.

The previous prime is 5618213659. The next prime is 5618213693. The reversal of 5618213671 is 1763128165.

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 5618213671 - 2⁷ = 5618213543 is a prime.

It is a super-2 number, since 2×5618213671² = 63128649706022592482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5618213171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401300970 + ... + 401300983.

It is an arithmetic number, because the mean of its divisors is an integer number (1605203908).

Almost surely, 2^5618213671 is an apocalyptic number.

5618213671 is a deficient number, since it is larger than the sum of its proper divisors (802601961).

5618213671 is an equidigital number, since it uses as much as digits as its factorization.

5618213671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802601960.

The product of its digits is 60480, while the sum is 40.

The square root of 5618213671 is about 74954.7441527219. The cubic root of 5618213671 is about 1777.7311570759.

The spelling of 5618213671 in words is "five billion, six hundred eighteen million, two hundred thirteen thousand, six hundred seventy-one".