19106441 has 2 divisors, whose sum is σ = 19106442. Its totient is φ = 19106440.

The previous prime is 19106411. The next prime is 19106489. The reversal of 19106441 is 14460191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12931216 + 6175225 = 3596^2 + 2485^2 .

It is an emirp because it is prime and its reverse (14460191) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19106441 - 2²² = 14912137 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19106441.

It is not a weakly prime, because it can be changed into another prime (19106401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9553220 + 9553221.

It is an arithmetic number, because the mean of its divisors is an integer number (9553221).

Almost surely, 2^19106441 is an apocalyptic number.

It is an amenable number.

19106441 is a deficient number, since it is larger than the sum of its proper divisors (1).

19106441 is an equidigital number, since it uses as much as digits as its factorization.

19106441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 19106441 is about 4371.0915112818. The cubic root of 19106441 is about 267.3375308298.

The spelling of 19106441 in words is "nineteen million, one hundred six thousand, four hundred forty-one".