191346462413 has 2 divisors, whose sum is σ = 191346462414. Its totient is φ = 191346462412.

The previous prime is 191346462371. The next prime is 191346462421. The reversal of 191346462413 is 314264643191.

It is a happy number.

191346462413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155730469129 + 35615993284 = 394627^2 + 188722^2 .

It is an emirp because it is prime and its reverse (314264643191) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 191346462413 - 2⁸ = 191346462157 is a prime.

It is a super-2 number, since 2×191346462413² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (191346462443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95673231206 + 95673231207.

It is an arithmetic number, because the mean of its divisors is an integer number (95673231207).

Almost surely, 2^191346462413 is an apocalyptic number.

It is an amenable number.

191346462413 is a deficient number, since it is larger than the sum of its proper divisors (1).

191346462413 is an equidigital number, since it uses as much as digits as its factorization.

191346462413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 44.

The spelling of 191346462413 in words is "one hundred ninety-one billion, three hundred forty-six million, four hundred sixty-two thousand, four hundred thirteen".