5449728995698 has 16 divisors (see below), whose sum is σ = 8884173596760. Its totient is φ = 2492183759616.

The previous prime is 5449728995677. The next prime is 5449728995699. The reversal of 5449728995698 is 8965998279445.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4728219755809 + 721509239889 = 2174447^2 + 849417^2 .

It is a super-2 number, since 2×5449728995698² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5449728995699) 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, 961487815 + ... + 961493482.

Almost surely, 2^{5449728995698} is an apocalyptic number.

5449728995698 is a deficient number, since it is larger than the sum of its proper divisors (3434444601062).

5449728995698 is a wasteful number, since it uses less digits than its factorization.

5449728995698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922981421.

The product of its digits is 14108774400, while the sum is 85.

The spelling of 5449728995698 in words is "five trillion, four hundred forty-nine billion, seven hundred twenty-eight million, nine hundred ninety-five thousand, six hundred ninety-eight".