19342641 has 4 divisors (see below), whose sum is σ = 25790192. Its totient is φ = 12895092.

The previous prime is 19342639. The next prime is 19342663. The reversal of 19342641 is 14624391.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 19342641 - 2¹ = 19342639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19342599 and 19342608.

It is not an unprimeable number, because it can be changed into a prime (19342621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3223771 + ... + 3223776.

It is an arithmetic number, because the mean of its divisors is an integer number (6447548).

Almost surely, 2^19342641 is an apocalyptic number.

It is an amenable number.

19342641 is a deficient number, since it is larger than the sum of its proper divisors (6447551).

19342641 is an equidigital number, since it uses as much as digits as its factorization.

19342641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6447550.

The product of its digits is 5184, while the sum is 30.

The square root of 19342641 is about 4398.0269439829. The cubic root of 19342641 is about 268.4346598112.

The spelling of 19342641 in words is "nineteen million, three hundred forty-two thousand, six hundred forty-one".