19141489 has 2 divisors, whose sum is σ = 19141490. Its totient is φ = 19141488.

The previous prime is 19141481. The next prime is 19141513. The reversal of 19141489 is 98414191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17430625 + 1710864 = 4175^2 + 1308^2 .

It is a cyclic number.

It is not a de Polignac number, because 19141489 - 2³ = 19141481 is a prime.

It is a super-2 number, since 2×19141489² = 732793202274242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (19141481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9570744 + 9570745.

It is an arithmetic number, because the mean of its divisors is an integer number (9570745).

Almost surely, 2^19141489 is an apocalyptic number.

It is an amenable number.

19141489 is a deficient number, since it is larger than the sum of its proper divisors (1).

19141489 is an equidigital number, since it uses as much as digits as its factorization.

19141489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 37.

The square root of 19141489 is about 4375.0987417429. The cubic root of 19141489 is about 267.5008949806.

It can be divided in two parts, 1914 and 1489, that added together give a triangular number (3403 = T₈₂).

The spelling of 19141489 in words is "nineteen million, one hundred forty-one thousand, four hundred eighty-nine".