1461422442197 has 2 divisors, whose sum is σ = 1461422442198. Its totient is φ = 1461422442196.

The previous prime is 1461422442173. The next prime is 1461422442239. The reversal of 1461422442197 is 7912442241641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1028924180881 + 432498261316 = 1014359^2 + 657646^2 .

It is a cyclic number.

It is not a de Polignac number, because 1461422442197 - 2²² = 1461418247893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1461422442397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730711221098 + 730711221099.

It is an arithmetic number, because the mean of its divisors is an integer number (730711221099).

Almost surely, 2^{1461422442197} is an apocalyptic number.

It is an amenable number.

1461422442197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461422442197 is an equidigital number, since it uses as much as digits as its factorization.

1461422442197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 47.

The spelling of 1461422442197 in words is "one trillion, four hundred sixty-one billion, four hundred twenty-two million, four hundred forty-two thousand, one hundred ninety-seven".