3645237213053 has 2 divisors, whose sum is σ = 3645237213054. Its totient is φ = 3645237213052.

The previous prime is 3645237213041. The next prime is 3645237213073. The reversal of 3645237213053 is 3503127325463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3632447186404 + 12790026649 = 1905898^2 + 113093^2 .

It is a cyclic number.

It is not a de Polignac number, because 3645237213053 - 2¹² = 3645237208957 is a prime.

It is a super-3 number, since 3×3645237213053³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3645237212995 and 3645237213013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3645237213073) 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, 1822618606526 + 1822618606527.

It is an arithmetic number, because the mean of its divisors is an integer number (1822618606527).

Almost surely, 2^{3645237213053} is an apocalyptic number.

It is an amenable number.

3645237213053 is a deficient number, since it is larger than the sum of its proper divisors (1).

3645237213053 is an equidigital number, since it uses as much as digits as its factorization.

3645237213053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 44.

The spelling of 3645237213053 in words is "three trillion, six hundred forty-five billion, two hundred thirty-seven million, two hundred thirteen thousand, fifty-three".