1429399519 has 4 divisors (see below), whose sum is σ = 1452832360. Its totient is φ = 1405966680.

The previous prime is 1429399483. The next prime is 1429399537. The reversal of 1429399519 is 9159939241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9159939241 = 31 ⋅295481911.

It is a cyclic number.

It is not a de Polignac number, because 1429399519 - 2¹¹ = 1429397471 is a prime.

It is a super-2 number, since 2×1429399519² = 4086365969834862722, 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 (1429393519) 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, 11716329 + ... + 11716450.

It is an arithmetic number, because the mean of its divisors is an integer number (363208090).

Almost surely, 2^1429399519 is an apocalyptic number.

1429399519 is a deficient number, since it is larger than the sum of its proper divisors (23432841).

1429399519 is an equidigital number, since it uses as much as digits as its factorization.

1429399519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23432840.

The product of its digits is 787320, while the sum is 52.

The square root of 1429399519 is about 37807.4003205722. The cubic root of 1429399519 is about 1126.4654532637.

The spelling of 1429399519 in words is "one billion, four hundred twenty-nine million, three hundred ninety-nine thousand, five hundred nineteen".