11438384770 has 8 divisors (see below), whose sum is σ = 20589092604. Its totient is φ = 4575353904.

The previous prime is 11438384761. The next prime is 11438384773. The reversal of 11438384770 is 7748383411.

11438384770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9246553281 + 2191831489 = 96159^2 + 46817^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11438384770² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11438384770.

It is not an unprimeable number, because it can be changed into a prime (11438384773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571919229 + ... + 571919248.

Almost surely, 2^11438384770 is an apocalyptic number.

11438384770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11438384770 is a deficient number, since it is larger than the sum of its proper divisors (9150707834).

11438384770 is a wasteful number, since it uses less digits than its factorization.

11438384770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143838484.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 11438384770 in words is "eleven billion, four hundred thirty-eight million, three hundred eighty-four thousand, seven hundred seventy".