19055429 has 2 divisors, whose sum is σ = 19055430. Its totient is φ = 19055428.

The previous prime is 19055411. The next prime is 19055437. The reversal of 19055429 is 92455091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12285025 + 6770404 = 3505^2 + 2602^2 .

It is an emirp because it is prime and its reverse (92455091) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19055429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19055479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9527714 + 9527715.

It is an arithmetic number, because the mean of its divisors is an integer number (9527715).

Almost surely, 2^19055429 is an apocalyptic number.

It is an amenable number.

19055429 is a deficient number, since it is larger than the sum of its proper divisors (1).

19055429 is an equidigital number, since it uses as much as digits as its factorization.

19055429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 19055429 is about 4365.2524554715. The cubic root of 19055429 is about 267.0993986219.

The spelling of 19055429 in words is "nineteen million, fifty-five thousand, four hundred twenty-nine".