19314641 has 4 divisors (see below), whose sum is σ = 20154432. Its totient is φ = 18474852.

The previous prime is 19314593. The next prime is 19314679. The reversal of 19314641 is 14641391.

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 a cyclic number.

It is not a de Polignac number, because 19314641 - 2⁶ = 19314577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19314041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419861 + ... + 419906.

It is an arithmetic number, because the mean of its divisors is an integer number (5038608).

Almost surely, 2^19314641 is an apocalyptic number.

It is an amenable number.

19314641 is a deficient number, since it is larger than the sum of its proper divisors (839791).

19314641 is an equidigital number, since it uses as much as digits as its factorization.

19314641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839790.

The product of its digits is 2592, while the sum is 29.

The square root of 19314641 is about 4394.8425455299. The cubic root of 19314641 is about 268.3050704729.

The spelling of 19314641 in words is "nineteen million, three hundred fourteen thousand, six hundred forty-one".