461611201641719 has 2 divisors, whose sum is σ = 461611201641720. Its totient is φ = 461611201641718.

The previous prime is 461611201641671. The next prime is 461611201641769. The reversal of 461611201641719 is 917146102116164.

It is a happy number.

It is an a-pointer prime, because the next prime (461611201641769) can be obtained adding 461611201641719 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461611201641719 is a prime.

It is a super-2 number, since 2×461611201641719² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461611201641769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230805600820859 + 230805600820860.

It is an arithmetic number, because the mean of its divisors is an integer number (230805600820860).

Almost surely, 2^{461611201641719} is an apocalyptic number.

461611201641719 is a deficient number, since it is larger than the sum of its proper divisors (1).

461611201641719 is an equidigital number, since it uses as much as digits as its factorization.

461611201641719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 50.

The spelling of 461611201641719 in words is "four hundred sixty-one trillion, six hundred eleven billion, two hundred one million, six hundred forty-one thousand, seven hundred nineteen".