5818470121 has 4 divisors (see below), whose sum is σ = 5819549652. Its totient is φ = 5817390592.

The previous prime is 5818470109. The next prime is 5818470143. The reversal of 5818470121 is 1210748185.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1210748185 = 5 ⋅242149637.

It can be written as a sum of positive squares in 2 ways, for example, as 1982030400 + 3836439721 = 44520^2 + 61939^2 .

It is a cyclic number.

It is not a de Polignac number, because 5818470121 - 2⁹ = 5818469609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5818470101) 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, 531640 + ... + 542473.

It is an arithmetic number, because the mean of its divisors is an integer number (1454887413).

Almost surely, 2^5818470121 is an apocalyptic number.

It is an amenable number.

5818470121 is a deficient number, since it is larger than the sum of its proper divisors (1079531).

5818470121 is a wasteful number, since it uses less digits than its factorization.

5818470121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079530.

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 5818470121 is about 76278.8969571532. The cubic root of 5818470121 is about 1798.6069593279.

The spelling of 5818470121 in words is "five billion, eight hundred eighteen million, four hundred seventy thousand, one hundred twenty-one".