12641530626406 has 8 divisors (see below), whose sum is σ = 20686141025064. Its totient is φ = 5746150284720.

The previous prime is 12641530626391. The next prime is 12641530626427. The reversal of 12641530626406 is 60462603514621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287307514215 + ... + 287307514258.

It is an arithmetic number, because the mean of its divisors is an integer number (2585767628133).

Almost surely, 2^{12641530626406} is an apocalyptic number.

12641530626406 is a deficient number, since it is larger than the sum of its proper divisors (8044610398658).

12641530626406 is a wasteful number, since it uses less digits than its factorization.

12641530626406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574615028486.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 12641530626406 in words is "twelve trillion, six hundred forty-one billion, five hundred thirty million, six hundred twenty-six thousand, four hundred six".