1234429899 has 8 divisors (see below), whose sum is σ = 1658471232. Its totient is φ = 816670920.

The previous prime is 1234429897. The next prime is 1234429991. The reversal of 1234429899 is 9989244321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1234429899 - 2¹ = 1234429897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1234429897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1570129 + ... + 1570914.

It is an arithmetic number, because the mean of its divisors is an integer number (207308904).

Almost surely, 2^1234429899 is an apocalyptic number.

1234429899 is a deficient number, since it is larger than the sum of its proper divisors (424041333).

1234429899 is a wasteful number, since it uses less digits than its factorization.

1234429899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141177.

The product of its digits is 1119744, while the sum is 51.

The square root of 1234429899 is about 35134.4545852074. The cubic root of 1234429899 is about 1072.7260094979.

The spelling of 1234429899 in words is "one billion, two hundred thirty-four million, four hundred twenty-nine thousand, eight hundred ninety-nine".