1249968383 has 4 divisors (see below), whose sum is σ = 1251378480. Its totient is φ = 1248558288.

The previous prime is 1249968359. The next prime is 1249968397. The reversal of 1249968383 is 3838699421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1249968383 - 2⁶ = 1249968319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249968283) 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 3 ways as a sum of consecutive naturals, for example, 703718 + ... + 705491.

It is an arithmetic number, because the mean of its divisors is an integer number (312844620).

Almost surely, 2^1249968383 is an apocalyptic number.

1249968383 is a deficient number, since it is larger than the sum of its proper divisors (1410097).

1249968383 is an equidigital number, since it uses as much as digits as its factorization.

1249968383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410096.

The product of its digits is 2239488, while the sum is 53.

The square root of 1249968383 is about 35354.8919245979. The cubic root of 1249968383 is about 1077.2082627045.

The spelling of 1249968383 in words is "one billion, two hundred forty-nine million, nine hundred sixty-eight thousand, three hundred eighty-three".