19196461 has 2 divisors, whose sum is σ = 19196462. Its totient is φ = 19196460.

The previous prime is 19196459. The next prime is 19196473. The reversal of 19196461 is 16469191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18748900 + 447561 = 4330^2 + 669^2 .

It is a cyclic number.

It is not a de Polignac number, because 19196461 - 2¹ = 19196459 is a prime.

It is a super-2 number, since 2×19196461² = 737008229849042, which contains 22 as substring.

Together with 19196459, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 19196461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19196561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9598230 + 9598231.

It is an arithmetic number, because the mean of its divisors is an integer number (9598231).

Almost surely, 2^19196461 is an apocalyptic number.

It is an amenable number.

19196461 is a deficient number, since it is larger than the sum of its proper divisors (1).

19196461 is an equidigital number, since it uses as much as digits as its factorization.

19196461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 37.

The square root of 19196461 is about 4381.3766101535. The cubic root of 19196461 is about 267.7567267774.

The spelling of 19196461 in words is "nineteen million, one hundred ninety-six thousand, four hundred sixty-one".