1438035413 has 4 divisors (see below), whose sum is σ = 1438815840. Its totient is φ = 1437254988.

The previous prime is 1438035337. The next prime is 1438035437. The reversal of 1438035413 is 3145308341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1438035413 - 2¹⁶ = 1437969877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1438035413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438065413) 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, 387443 + ... + 391136.

It is an arithmetic number, because the mean of its divisors is an integer number (359703960).

Almost surely, 2^1438035413 is an apocalyptic number.

It is an amenable number.

1438035413 is a deficient number, since it is larger than the sum of its proper divisors (780427).

1438035413 is an equidigital number, since it uses as much as digits as its factorization.

1438035413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780426.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1438035413 is about 37921.4373804580. The cubic root of 1438035413 is about 1128.7294600647.

The spelling of 1438035413 in words is "one billion, four hundred thirty-eight million, thirty-five thousand, four hundred thirteen".