5498689721 has 8 divisors (see below), whose sum is σ = 6286378560. Its totient is φ = 4711541328.

The previous prime is 5498689709. The next prime is 5498689727. The reversal of 5498689721 is 1279868945.

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 5498689721 - 2¹⁰ = 5498688697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5498689727) 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, 113066 + ... + 154211.

It is an arithmetic number, because the mean of its divisors is an integer number (785797320).

Almost surely, 2^5498689721 is an apocalyptic number.

It is an amenable number.

5498689721 is a deficient number, since it is larger than the sum of its proper divisors (787688839).

5498689721 is a wasteful number, since it uses less digits than its factorization.

5498689721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270223.

The product of its digits is 8709120, while the sum is 59.

The square root of 5498689721 is about 74153.1504455475. The cubic root of 5498689721 is about 1765.0339825518.

The spelling of 5498689721 in words is "five billion, four hundred ninety-eight million, six hundred eighty-nine thousand, seven hundred twenty-one".