201040971847 has 2 divisors, whose sum is σ = 201040971848. Its totient is φ = 201040971846.

The previous prime is 201040971811. The next prime is 201040971919. The reversal of 201040971847 is 748179040102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201040971847 - 2¹⁵ = 201040939079 is a prime.

It is a super-2 number, since 2×201040971847² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201040977847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100520485923 + 100520485924.

It is an arithmetic number, because the mean of its divisors is an integer number (100520485924).

Almost surely, 2^201040971847 is an apocalyptic number.

201040971847 is a deficient number, since it is larger than the sum of its proper divisors (1).

201040971847 is an equidigital number, since it uses as much as digits as its factorization.

201040971847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 201040971847 in words is "two hundred one billion, forty million, nine hundred seventy-one thousand, eight hundred forty-seven".