6426086688020 has 12 divisors (see below), whose sum is σ = 13494782044884. Its totient is φ = 2570434675200.

The previous prime is 6426086688011. The next prime is 6426086688029. The reversal of 6426086688020 is 208866806246.

It is an interprime number because it is at equal distance from previous prime (6426086688011) and next prime (6426086688029).

It can be written as a sum of positive squares in 2 ways, for example, as 2580353897104 + 3845732790916 = 1606348^2 + 1961054^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6426086688029) 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, 160652167181 + ... + 160652167220.

It is an arithmetic number, because the mean of its divisors is an integer number (1124565170407).

Almost surely, 2^{6426086688020} is an apocalyptic number.

It is an amenable number.

6426086688020 is an abundant number, since it is smaller than the sum of its proper divisors (7068695356864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6426086688020 is a wasteful number, since it uses less digits than its factorization.

6426086688020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321304334410 (or 321304334408 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 56.

The spelling of 6426086688020 in words is "six trillion, four hundred twenty-six billion, eighty-six million, six hundred eighty-eight thousand, twenty".