201413440997 has 2 divisors, whose sum is σ = 201413440998. Its totient is φ = 201413440996.

The previous prime is 201413440937. The next prime is 201413441017. The reversal of 201413440997 is 799044314102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168318190756 + 33095250241 = 410266^2 + 181921^2 .

It is a cyclic number.

It is not a de Polignac number, because 201413440997 - 2⁸ = 201413440741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201413440937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100706720498 + 100706720499.

It is an arithmetic number, because the mean of its divisors is an integer number (100706720499).

Almost surely, 2^201413440997 is an apocalyptic number.

It is an amenable number.

201413440997 is a deficient number, since it is larger than the sum of its proper divisors (1).

201413440997 is an equidigital number, since it uses as much as digits as its factorization.

201413440997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 201413440997 in words is "two hundred one billion, four hundred thirteen million, four hundred forty thousand, nine hundred ninety-seven".