1434807819 has 24 divisors (see below), whose sum is σ = 2202786560. Its totient is φ = 897385392.

The previous prime is 1434807817. The next prime is 1434807821. The reversal of 1434807819 is 9187084341.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1434807817) and next prime (1434807821).

It is not a de Polignac number, because 1434807819 - 2¹ = 1434807817 is a prime.

It is a super-2 number, since 2×1434807819² = 4117346954927073522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1434807811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23119 + ... + 58344.

Almost surely, 2^1434807819 is an apocalyptic number.

1434807819 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1434807819 is a deficient number, since it is larger than the sum of its proper divisors (767978741).

1434807819 is a wasteful number, since it uses less digits than its factorization.

1434807819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81591 (or 81588 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 1434807819 is about 37878.8571501306. The cubic root of 1434807819 is about 1127.8843697490.

The spelling of 1434807819 in words is "one billion, four hundred thirty-four million, eight hundred seven thousand, eight hundred nineteen".