19412641 has 2 divisors, whose sum is σ = 19412642. Its totient is φ = 19412640.

The previous prime is 19412567. The next prime is 19412663. The reversal of 19412641 is 14621491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18740241 + 672400 = 4329^2 + 820^2 .

It is a cyclic number.

It is not a de Polignac number, because 19412641 - 2¹³ = 19404449 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (19412441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9706320 + 9706321.

It is an arithmetic number, because the mean of its divisors is an integer number (9706321).

Almost surely, 2^19412641 is an apocalyptic number.

It is an amenable number.

19412641 is a deficient number, since it is larger than the sum of its proper divisors (1).

19412641 is an equidigital number, since it uses as much as digits as its factorization.

19412641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 28.

The square root of 19412641 is about 4405.9778710293. The cubic root of 19412641 is about 268.7580869389.

The spelling of 19412641 in words is "nineteen million, four hundred twelve thousand, six hundred forty-one".