202345057553 has 2 divisors, whose sum is σ = 202345057554. Its totient is φ = 202345057552.

The previous prime is 202345057493. The next prime is 202345057567. The reversal of 202345057553 is 355750543202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201159426064 + 1185631489 = 448508^2 + 34433^2 .

It is a cyclic number.

It is not a de Polignac number, because 202345057553 - 2¹⁸ = 202344795409 is a prime.

It is a super-2 number, since 2×202345057553² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202345057553.

It is not a weakly prime, because it can be changed into another prime (202345057153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101172528776 + 101172528777.

It is an arithmetic number, because the mean of its divisors is an integer number (101172528777).

Almost surely, 2^202345057553 is an apocalyptic number.

It is an amenable number.

202345057553 is a deficient number, since it is larger than the sum of its proper divisors (1).

202345057553 is an equidigital number, since it uses as much as digits as its factorization.

202345057553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630000, while the sum is 41.

The spelling of 202345057553 in words is "two hundred two billion, three hundred forty-five million, fifty-seven thousand, five hundred fifty-three".