1429326309 has 16 divisors (see below), whose sum is σ = 1916877312. Its totient is φ = 947346288.

The previous prime is 1429326307. The next prime is 1429326337. The reversal of 1429326309 is 9036239241.

It is not a de Polignac number, because 1429326309 - 2¹ = 1429326307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429326307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425374 + ... + 428720.

It is an arithmetic number, because the mean of its divisors is an integer number (119804832).

Almost surely, 2^1429326309 is an apocalyptic number.

It is an amenable number.

1429326309 is a deficient number, since it is larger than the sum of its proper divisors (487551003).

1429326309 is a wasteful number, since it uses less digits than its factorization.

1429326309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 1429326309 is about 37806.4321114807. The cubic root of 1429326309 is about 1126.4462214248.

The spelling of 1429326309 in words is "one billion, four hundred twenty-nine million, three hundred twenty-six thousand, three hundred nine".