1344969018 has 96 divisors (see below), whose sum is σ = 3137097600. Its totient is φ = 415594368.

The previous prime is 1344969013. The next prime is 1344969023. The reversal of 1344969018 is 8109694431.

It is an interprime number because it is at equal distance from previous prime (1344969013) and next prime (1344969023).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1344969011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1602643 + ... + 1603481.

It is an arithmetic number, because the mean of its divisors is an integer number (32678100).

Almost surely, 2^1344969018 is an apocalyptic number.

1344969018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1344969018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1568548800).

1344969018 is an abundant number, since it is smaller than the sum of its proper divisors (1792128582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1344969018 is a wasteful number, since it uses less digits than its factorization.

1344969018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1344969018 is about 36673.8192447964. The cubic root of 1344969018 is about 1103.8348297717.

The spelling of 1344969018 in words is "one billion, three hundred forty-four million, nine hundred sixty-nine thousand, eighteen".