202053544344677 has 2 divisors, whose sum is σ = 202053544344678. Its totient is φ = 202053544344676.

The previous prime is 202053544344409. The next prime is 202053544344703. The reversal of 202053544344677 is 776443445350202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158860664752036 + 43192879592641 = 12603994^2 + 6572129^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202053544344677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202053544364677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101026772172338 + 101026772172339.

It is an arithmetic number, because the mean of its divisors is an integer number (101026772172339).

Almost surely, 2^{202053544344677} is an apocalyptic number.

It is an amenable number.

202053544344677 is a deficient number, since it is larger than the sum of its proper divisors (1).

202053544344677 is an equidigital number, since it uses as much as digits as its factorization.

202053544344677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67737600, while the sum is 56.

Adding to 202053544344677 its reverse (776443445350202), we get a palindrome (978496989694879).

The spelling of 202053544344677 in words is "two hundred two trillion, fifty-three billion, five hundred forty-four million, three hundred forty-four thousand, six hundred seventy-seven".