10386121444 has 18 divisors (see below), whose sum is σ = 18608246790. Its totient is φ = 5072288256.

The previous prime is 10386121391. The next prime is 10386121483. The reversal of 10386121444 is 44412168301.

10386121444 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 only one way, i.e., 10385648100 + 473344 = 101910^2 + 688^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 694749 + ... + 709540.

Almost surely, 2^10386121444 is an apocalyptic number.

It is an amenable number.

10386121444 is a deficient number, since it is larger than the sum of its proper divisors (8222125346).

10386121444 is a wasteful number, since it uses less digits than its factorization.

10386121444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404379 (or 1404334 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

Adding to 10386121444 its reverse (44412168301), we get a palindrome (54798289745).

The spelling of 10386121444 in words is "ten billion, three hundred eighty-six million, one hundred twenty-one thousand, four hundred forty-four".