1305429849 has 12 divisors (see below), whose sum is σ = 1887767856. Its totient is φ = 869295672.

The previous prime is 1305429833. The next prime is 1305429857. The reversal of 1305429849 is 9489245031.

1305429849 is a `hidden beast` number, since 13 + 0 + 542 + 98 + 4 + 9 = 666.

It is not a de Polignac number, because 1305429849 - 2⁴ = 1305429833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1305429859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74187 + ... + 90080.

It is an arithmetic number, because the mean of its divisors is an integer number (157313988).

Almost surely, 2^1305429849 is an apocalyptic number.

It is an amenable number.

1305429849 is a deficient number, since it is larger than the sum of its proper divisors (582338007).

1305429849 is a wasteful number, since it uses less digits than its factorization.

1305429849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165156 (or 165153 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 1305429849 is about 36130.7327492815. The cubic root of 1305429849 is about 1092.9102848364.

The spelling of 1305429849 in words is "one billion, three hundred five million, four hundred twenty-nine thousand, eight hundred forty-nine".