200571472949 has 4 divisors (see below), whose sum is σ = 200572628364. Its totient is φ = 200570317536.

The previous prime is 200571472901. The next prime is 200571472957. The reversal of 200571472949 is 949274175002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 169811574724 + 30759898225 = 412082^2 + 175385^2 .

It is a cyclic number.

It is not a de Polignac number, because 200571472949 - 2³² = 196276505653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200571472897 and 200571472906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200571477949) 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 in 3 ways as a sum of consecutive naturals, for example, 258542 + ... + 684095.

It is an arithmetic number, because the mean of its divisors is an integer number (50143157091).

Almost surely, 2^200571472949 is an apocalyptic number.

It is an amenable number.

200571472949 is a deficient number, since it is larger than the sum of its proper divisors (1155415).

200571472949 is an equidigital number, since it uses as much as digits as its factorization.

200571472949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155414.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 200571472949 in words is "two hundred billion, five hundred seventy-one million, four hundred seventy-two thousand, nine hundred forty-nine".