17827945653 has 64 divisors (see below), whose sum is σ = 28298596352. Its totient is φ = 9771632640.

The previous prime is 17827945643. The next prime is 17827945669. The reversal of 17827945653 is 35654972871.

It is not a de Polignac number, because 17827945653 - 2⁴ = 17827945637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17827945593 and 17827945602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17827945643) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26489925 + ... + 26490597.

It is an arithmetic number, because the mean of its divisors is an integer number (442165568).

Almost surely, 2^17827945653 is an apocalyptic number.

It is an amenable number.

17827945653 is a deficient number, since it is larger than the sum of its proper divisors (10470650699).

17827945653 is a wasteful number, since it uses less digits than its factorization.

17827945653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154.

The product of its digits is 12700800, while the sum is 57.

The spelling of 17827945653 in words is "seventeen billion, eight hundred twenty-seven million, nine hundred forty-five thousand, six hundred fifty-three".