1342209249 has 12 divisors (see below), whose sum is σ = 1939122900. Its totient is φ = 894632544.

The previous prime is 1342209247. The next prime is 1342209257. The reversal of 1342209249 is 9429022431.

It can be written as a sum of positive squares in 2 ways, for example, as 622253025 + 719956224 = 24945^2 + 26832^2 .

It is not a de Polignac number, because 1342209249 - 2¹ = 1342209247 is a prime.

It is a super-2 number, since 2×1342209249² = 3603051336202288002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1342209241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49267 + ... + 71495.

It is an arithmetic number, because the mean of its divisors is an integer number (161593575).

Almost surely, 2^1342209249 is an apocalyptic number.

It is an amenable number.

1342209249 is a deficient number, since it is larger than the sum of its proper divisors (596913651).

1342209249 is a wasteful number, since it uses less digits than its factorization.

1342209249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28944 (or 28941 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1342209249 is about 36636.1740497012. The cubic root of 1342209249 is about 1103.0793191515.

The spelling of 1342209249 in words is "one billion, three hundred forty-two million, two hundred nine thousand, two hundred forty-nine".