18652753274641 has 2 divisors, whose sum is σ = 18652753274642. Its totient is φ = 18652753274640.

The previous prime is 18652753274611. The next prime is 18652753274657. The reversal of 18652753274641 is 14647235725681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16840846137600 + 1811907137041 = 4103760^2 + 1346071^2 .

It is a cyclic number.

It is not a de Polignac number, because 18652753274641 - 2²⁵ = 18652719720209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18652753274641.

It is not a weakly prime, because it can be changed into another prime (18652753274611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9326376637320 + 9326376637321.

It is an arithmetic number, because the mean of its divisors is an integer number (9326376637321).

Almost surely, 2^{18652753274641} is an apocalyptic number.

It is an amenable number.

18652753274641 is a deficient number, since it is larger than the sum of its proper divisors (1).

18652753274641 is an equidigital number, since it uses as much as digits as its factorization.

18652753274641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67737600, while the sum is 61.

The spelling of 18652753274641 in words is "eighteen trillion, six hundred fifty-two billion, seven hundred fifty-three million, two hundred seventy-four thousand, six hundred forty-one".