1354819469 has 4 divisors (see below), whose sum is σ = 1356967200. Its totient is φ = 1352671740.

The previous prime is 1354819463. The next prime is 1354819481. The reversal of 1354819469 is 9649184531.

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 1354819469 - 2²⁰ = 1353770893 is a prime.

It is a super-2 number, since 2×1354819469² = 3671071587162883922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354819463) 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, 1072919 + ... + 1074180.

It is an arithmetic number, because the mean of its divisors is an integer number (339241800).

Almost surely, 2^1354819469 is an apocalyptic number.

It is an amenable number.

1354819469 is a deficient number, since it is larger than the sum of its proper divisors (2147731).

1354819469 is an equidigital number, since it uses as much as digits as its factorization.

1354819469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147730.

The product of its digits is 933120, while the sum is 50.

The square root of 1354819469 is about 36807.8723780661. The cubic root of 1354819469 is about 1106.5230784072.

The spelling of 1354819469 in words is "one billion, three hundred fifty-four million, eight hundred nineteen thousand, four hundred sixty-nine".