1438363496 has 16 divisors (see below), whose sum is σ = 2706671940. Its totient is φ = 716584320.

The previous prime is 1438363471. The next prime is 1438363499. The reversal of 1438363496 is 6943638341.

It can be written as a sum of positive squares in 2 ways, for example, as 1050667396 + 387696100 = 32414^2 + 19690^2 .

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 1438363496.

It is not an unprimeable number, because it can be changed into a prime (1438363499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322325 + ... + 326756.

Almost surely, 2^1438363496 is an apocalyptic number.

It is an amenable number.

1438363496 is a deficient number, since it is larger than the sum of its proper divisors (1268308444).

1438363496 is a wasteful number, since it uses less digits than its factorization.

1438363496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649364 (or 649360 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 47.

The square root of 1438363496 is about 37925.7629587066. The cubic root of 1438363496 is about 1128.8152921625.

The spelling of 1438363496 in words is "one billion, four hundred thirty-eight million, three hundred sixty-three thousand, four hundred ninety-six".