5494451181 has 16 divisors (see below), whose sum is σ = 7482256320. Its totient is φ = 3585617280.

The previous prime is 5494451173. The next prime is 5494451239. The reversal of 5494451181 is 1811544945.

It is not a de Polignac number, because 5494451181 - 2³ = 5494451173 is a prime.

It is a super-2 number, since 2×5494451181² = 60377987560784589522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5494451681) 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, 74080 + ... + 128361.

It is an arithmetic number, because the mean of its divisors is an integer number (467641020).

Almost surely, 2^5494451181 is an apocalyptic number.

It is an amenable number.

5494451181 is a deficient number, since it is larger than the sum of its proper divisors (1987805139).

5494451181 is a wasteful number, since it uses less digits than its factorization.

5494451181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202636.

The product of its digits is 115200, while the sum is 42.

The square root of 5494451181 is about 74124.5653005803. The cubic root of 5494451181 is about 1764.5803538652.

The spelling of 5494451181 in words is "five billion, four hundred ninety-four million, four hundred fifty-one thousand, one hundred eighty-one".