1349249744 has 20 divisors (see below), whose sum is σ = 2767946724. Its totient is φ = 634940928.

The previous prime is 1349249731. The next prime is 1349249749. The reversal of 1349249744 is 4479429431.

It can be written as a sum of positive squares in 2 ways, for example, as 424360000 + 924889744 = 20600^2 + 30412^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349249749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2479967 + ... + 2480510.

Almost surely, 2^1349249744 is an apocalyptic number.

It is an amenable number.

1349249744 is an abundant number, since it is smaller than the sum of its proper divisors (1418696980).

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

1349249744 is a wasteful number, since it uses less digits than its factorization.

1349249744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4960502 (or 4960496 counting only the distinct ones).

The product of its digits is 870912, while the sum is 47.

The square root of 1349249744 is about 36732.1350318764. The cubic root of 1349249744 is about 1105.0046733762.

It can be divided in two parts, 13492 and 49744, that added together give a palindrome (63236).

The spelling of 1349249744 in words is "one billion, three hundred forty-nine million, two hundred forty-nine thousand, seven hundred forty-four".