27570902064645 has 32 divisors (see below), whose sum is σ = 44569444552704. Its totient is φ = 14553199368000.

The previous prime is 27570902064617. The next prime is 27570902064689. The reversal of 27570902064645 is 54646020907572.

It is not a de Polignac number, because 27570902064645 - 2²¹ = 27570899967493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21844827 + ... + 23072456.

It is an arithmetic number, because the mean of its divisors is an integer number (1392795142272).

Almost surely, 2^{27570902064645} is an apocalyptic number.

It is an amenable number.

27570902064645 is a deficient number, since it is larger than the sum of its proper divisors (16998542488059).

27570902064645 is a wasteful number, since it uses less digits than its factorization.

27570902064645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44917713.

The product of its (nonzero) digits is 25401600, while the sum is 57.

The spelling of 27570902064645 in words is "twenty-seven trillion, five hundred seventy billion, nine hundred two million, sixty-four thousand, six hundred forty-five".