6428606526 has 32 divisors (see below), whose sum is σ = 14446317600. Its totient is φ = 2118790080.

The previous prime is 6428606501. The next prime is 6428606543. The reversal of 6428606526 is 6256068246.

6428606526 is a `hidden beast` number, since 6 + 42 + 86 + 0 + 6 + 526 = 666.

It is a super-2 number, since 2×6428606526² = 82653963732259577352, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664005 + ... + 673616.

It is an arithmetic number, because the mean of its divisors is an integer number (451447425).

Almost surely, 2^6428606526 is an apocalyptic number.

6428606526 is an abundant number, since it is smaller than the sum of its proper divisors (8017711074).

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

6428606526 is a wasteful number, since it uses less digits than its factorization.

6428606526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337721 (or 1337715 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 6428606526 is about 80178.5914443500. The cubic root of 6428606526 is about 1859.3976665668.

The spelling of 6428606526 in words is "six billion, four hundred twenty-eight million, six hundred six thousand, five hundred twenty-six".