6539882431 has 2 divisors, whose sum is σ = 6539882432. Its totient is φ = 6539882430.

The previous prime is 6539882429. The next prime is 6539882467. The reversal of 6539882431 is 1342889356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6539882431 - 2¹ = 6539882429 is a prime.

It is a super-2 number, since 2×6539882431² = 85540124422604939522, which contains 22 as substring.

Together with 6539882429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6539862431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3269941215 + 3269941216.

It is an arithmetic number, because the mean of its divisors is an integer number (3269941216).

Almost surely, 2^6539882431 is an apocalyptic number.

6539882431 is a deficient number, since it is larger than the sum of its proper divisors (1).

6539882431 is an equidigital number, since it uses as much as digits as its factorization.

6539882431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 49.

The square root of 6539882431 is about 80869.5395745518. The cubic root of 6539882431 is about 1870.0647628347.

The spelling of 6539882431 in words is "six billion, five hundred thirty-nine million, eight hundred eighty-two thousand, four hundred thirty-one".