3654871250053 has 2 divisors, whose sum is σ = 3654871250054. Its totient is φ = 3654871250052.

The previous prime is 3654871250047. The next prime is 3654871250077. The reversal of 3654871250053 is 3500521784563.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2770703398849 + 884167851204 = 1664543^2 + 940302^2 .

It is a cyclic number.

It is not a de Polignac number, because 3654871250053 - 2⁵ = 3654871250021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3654871249979 and 3654871250006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3654871250353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1827435625026 + 1827435625027.

It is an arithmetic number, because the mean of its divisors is an integer number (1827435625027).

Almost surely, 2^{3654871250053} is an apocalyptic number.

It is an amenable number.

3654871250053 is a deficient number, since it is larger than the sum of its proper divisors (1).

3654871250053 is an equidigital number, since it uses as much as digits as its factorization.

3654871250053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 3654871250053 in words is "three trillion, six hundred fifty-four billion, eight hundred seventy-one million, two hundred fifty thousand, fifty-three".