1419890169 has 4 divisors (see below), whose sum is σ = 1893186896. Its totient is φ = 946593444.

The previous prime is 1419890071. The next prime is 1419890189. The reversal of 1419890169 is 9610989141.

It is a happy number.

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 1419890169 - 2⁷ = 1419890041 is a prime.

It is a super-2 number, since 2×1419890169² = 4032176184045697122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1419890189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236648359 + ... + 236648364.

It is an arithmetic number, because the mean of its divisors is an integer number (473296724).

Almost surely, 2^1419890169 is an apocalyptic number.

It is an amenable number.

1419890169 is a deficient number, since it is larger than the sum of its proper divisors (473296727).

1419890169 is an equidigital number, since it uses as much as digits as its factorization.

1419890169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473296726.

The product of its (nonzero) digits is 139968, while the sum is 48.

The square root of 1419890169 is about 37681.4300285963. The cubic root of 1419890169 is about 1123.9618852190.

The spelling of 1419890169 in words is "one billion, four hundred nineteen million, eight hundred ninety thousand, one hundred sixty-nine".