203465057953 has 2 divisors, whose sum is σ = 203465057954. Its totient is φ = 203465057952.

The previous prime is 203465057909. The next prime is 203465057981. The reversal of 203465057953 is 359750564302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107261490064 + 96203567889 = 327508^2 + 310167^2 .

It is a cyclic number.

It is not a de Polignac number, because 203465057953 - 2³³ = 194875123361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203465057897 and 203465057906.

It is not a weakly prime, because it can be changed into another prime (203465057993) 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, 101732528976 + 101732528977.

It is an arithmetic number, because the mean of its divisors is an integer number (101732528977).

Almost surely, 2^203465057953 is an apocalyptic number.

It is an amenable number.

203465057953 is a deficient number, since it is larger than the sum of its proper divisors (1).

203465057953 is an equidigital number, since it uses as much as digits as its factorization.

203465057953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402000, while the sum is 49.

The spelling of 203465057953 in words is "two hundred three billion, four hundred sixty-five million, fifty-seven thousand, nine hundred fifty-three".