5818557493 has 8 divisors (see below), whose sum is σ = 6864289280. Its totient is φ = 4826453040.

The previous prime is 5818557469. The next prime is 5818557523. The reversal of 5818557493 is 3947558185.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5818557493 - 2⁵ = 5818557461 is a prime.

It is a super-2 number, since 2×5818557493² = 67711222598692890098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5818557463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13406598 + ... + 13407031.

It is an arithmetic number, because the mean of its divisors is an integer number (858036160).

Almost surely, 2^5818557493 is an apocalyptic number.

It is an amenable number.

5818557493 is a deficient number, since it is larger than the sum of its proper divisors (1045731787).

5818557493 is a wasteful number, since it uses less digits than its factorization.

5818557493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26813667.

The product of its digits is 6048000, while the sum is 55.

The square root of 5818557493 is about 76279.4696691056. The cubic root of 5818557493 is about 1798.6159621011.

The spelling of 5818557493 in words is "five billion, eight hundred eighteen million, five hundred fifty-seven thousand, four hundred ninety-three".