6517427942046 has 128 divisors (see below), whose sum is σ = 16312788910080. Its totient is φ = 1693583304192.

The previous prime is 6517427942021. The next prime is 6517427942059. The reversal of 6517427942046 is 6402497247156.

It is a super-2 number, since 2×6517427942046² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1421881 + ... + 3880283.

It is an arithmetic number, because the mean of its divisors is an integer number (127443663360).

Almost surely, 2^{6517427942046} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6517427942046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8156394455040).

6517427942046 is an abundant number, since it is smaller than the sum of its proper divisors (9795360968034).

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

6517427942046 is a wasteful number, since it uses less digits than its factorization.

6517427942046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458558.

The product of its (nonzero) digits is 20321280, while the sum is 57.

The spelling of 6517427942046 in words is "six trillion, five hundred seventeen billion, four hundred twenty-seven million, nine hundred forty-two thousand, forty-six".