200897052691 has 12 divisors (see below), whose sum is σ = 215191692552. Its totient is φ = 187482851424.

The previous prime is 200897052673. The next prime is 200897052721. The reversal of 200897052691 is 196250798002.

It is not a de Polignac number, because 200897052691 - 2²¹ = 200894955539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200897052991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4128810 + ... + 4177183.

It is an arithmetic number, because the mean of its divisors is an integer number (17932641046).

Almost surely, 2^200897052691 is an apocalyptic number.

200897052691 is a deficient number, since it is larger than the sum of its proper divisors (14294639861).

200897052691 is an equidigital number, since it uses as much as digits as its factorization.

200897052691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8306098 (or 8306079 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 200897052691 in words is "two hundred billion, eight hundred ninety-seven million, fifty-two thousand, six hundred ninety-one".