6539231701 has 4 divisors (see below), whose sum is σ = 6539455552. Its totient is φ = 6539007852.

The previous prime is 6539231693. The next prime is 6539231717. The reversal of 6539231701 is 1071329356.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6539231701 - 2³ = 6539231693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6539231771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60111 + ... + 129196.

It is an arithmetic number, because the mean of its divisors is an integer number (1634863888).

Almost surely, 2^6539231701 is an apocalyptic number.

It is an amenable number.

6539231701 is a deficient number, since it is larger than the sum of its proper divisors (223851).

6539231701 is a wasteful number, since it uses less digits than its factorization.

6539231701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223850.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 6539231701 is about 80865.5161425437. The cubic root of 6539231701 is about 1870.0027358478.

The spelling of 6539231701 in words is "six billion, five hundred thirty-nine million, two hundred thirty-one thousand, seven hundred one".