200948402497 has 2 divisors, whose sum is σ = 200948402498. Its totient is φ = 200948402496.

The previous prime is 200948402441. The next prime is 200948402503. The reversal of 200948402497 is 794204849002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198729615681 + 2218786816 = 445791^2 + 47104^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200948402497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200948402497.

It is not a weakly prime, because it can be changed into another prime (200948402197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100474201248 + 100474201249.

It is an arithmetic number, because the mean of its divisors is an integer number (100474201249).

Almost surely, 2^200948402497 is an apocalyptic number.

It is an amenable number.

200948402497 is a deficient number, since it is larger than the sum of its proper divisors (1).

200948402497 is an equidigital number, since it uses as much as digits as its factorization.

200948402497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 200948402497 in words is "two hundred billion, nine hundred forty-eight million, four hundred two thousand, four hundred ninety-seven".