2001146480197 has 2 divisors, whose sum is σ = 2001146480198. Its totient is φ = 2001146480196.

The previous prime is 2001146480167. The next prime is 2001146480209. The reversal of 2001146480197 is 7910846411002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1909796858116 + 91349622081 = 1381954^2 + 302241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001146480197 is a prime.

It is a super-2 number, since 2×2001146480197² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001146480167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000573240098 + 1000573240099.

It is an arithmetic number, because the mean of its divisors is an integer number (1000573240099).

Almost surely, 2^{2001146480197} is an apocalyptic number.

It is an amenable number.

2001146480197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001146480197 is an equidigital number, since it uses as much as digits as its factorization.

2001146480197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 2001146480197 in words is "two trillion, one billion, one hundred forty-six million, four hundred eighty thousand, one hundred ninety-seven".