6452686569139 has 4 divisors (see below), whose sum is σ = 6453441896256. Its totient is φ = 6451931242024.

The previous prime is 6452686569089. The next prime is 6452686569169. The reversal of 6452686569139 is 9319656862546.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6452686569139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6452686569169) 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, 377650744 + ... + 377667829.

It is an arithmetic number, because the mean of its divisors is an integer number (1613360474064).

Almost surely, 2^{6452686569139} is an apocalyptic number.

6452686569139 is a deficient number, since it is larger than the sum of its proper divisors (755327117).

6452686569139 is an equidigital number, since it uses as much as digits as its factorization.

6452686569139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755327116.

The product of its digits is 503884800, while the sum is 70.

The spelling of 6452686569139 in words is "six trillion, four hundred fifty-two billion, six hundred eighty-six million, five hundred sixty-nine thousand, one hundred thirty-nine".