5499790981 has 8 divisors (see below), whose sum is σ = 5742849024. Its totient is φ = 5257061040.

The previous prime is 5499790951. The next prime is 5499790991. The reversal of 5499790981 is 1890979945.

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 5499790981 - 2⁹ = 5499790469 is a prime.

It is a super-2 number, since 2×5499790981² = 60495401669377884722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5499790951) 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, 47446 + ... + 115111.

It is an arithmetic number, because the mean of its divisors is an integer number (717856128).

Almost surely, 2^5499790981 is an apocalyptic number.

It is an amenable number.

5499790981 is a deficient number, since it is larger than the sum of its proper divisors (243058043).

5499790981 is a wasteful number, since it uses less digits than its factorization.

5499790981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164051.

The product of its (nonzero) digits is 7348320, while the sum is 61.

The square root of 5499790981 is about 74160.5756517572. The cubic root of 5499790981 is about 1765.1518064743.

The spelling of 5499790981 in words is "five billion, four hundred ninety-nine million, seven hundred ninety thousand, nine hundred eighty-one".