200743415557 has 2 divisors, whose sum is σ = 200743415558. Its totient is φ = 200743415556.

The previous prime is 200743415549. The next prime is 200743415633. The reversal of 200743415557 is 755514347002.

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., 177610830721 + 23132584836 = 421439^2 + 152094^2 .

It is a cyclic number.

It is not a de Polignac number, because 200743415557 - 2³ = 200743415549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200743415357) 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, 100371707778 + 100371707779.

It is an arithmetic number, because the mean of its divisors is an integer number (100371707779).

Almost surely, 2^200743415557 is an apocalyptic number.

It is an amenable number.

200743415557 is a deficient number, since it is larger than the sum of its proper divisors (1).

200743415557 is an equidigital number, since it uses as much as digits as its factorization.

200743415557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588000, while the sum is 43.

The spelling of 200743415557 in words is "two hundred billion, seven hundred forty-three million, four hundred fifteen thousand, five hundred fifty-seven".