5535239598721 has 8 divisors (see below), whose sum is σ = 6385109497920. Its totient is φ = 4700150045808.

The previous prime is 5535239598673. The next prime is 5535239598743. The reversal of 5535239598721 is 1278959325355.

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

It is not a de Polignac number, because 5535239598721 - 2²¹ = 5535237501569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5535239598761) 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, 3695085766 + ... + 3695087263.

It is an arithmetic number, because the mean of its divisors is an integer number (798138687240).

Almost surely, 2^{5535239598721} is an apocalyptic number.

It is an amenable number.

5535239598721 is a deficient number, since it is larger than the sum of its proper divisors (849869899199).

5535239598721 is a wasteful number, since it uses less digits than its factorization.

5535239598721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7390173143.

The product of its digits is 102060000, while the sum is 64.

The spelling of 5535239598721 in words is "five trillion, five hundred thirty-five billion, two hundred thirty-nine million, five hundred ninety-eight thousand, seven hundred twenty-one".