201401399971 has 2 divisors, whose sum is σ = 201401399972. Its totient is φ = 201401399970.

The previous prime is 201401399957. The next prime is 201401400001. The reversal of 201401399971 is 179993104102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201401399971 - 2¹⁵ = 201401367203 is a prime.

It is not a weakly prime, because it can be changed into another prime (201401399921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100700699985 + 100700699986.

It is an arithmetic number, because the mean of its divisors is an integer number (100700699986).

Almost surely, 2^201401399971 is an apocalyptic number.

201401399971 is a deficient number, since it is larger than the sum of its proper divisors (1).

201401399971 is an equidigital number, since it uses as much as digits as its factorization.

201401399971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 46.

The spelling of 201401399971 in words is "two hundred one billion, four hundred one million, three hundred ninety-nine thousand, nine hundred seventy-one".