10383421515 has 16 divisors (see below), whose sum is σ = 16686667008. Its totient is φ = 5513427296.

The previous prime is 10383421513. The next prime is 10383421579. The reversal of 10383421515 is 51512438301.

10383421515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10383421515 - 2¹ = 10383421513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10383421513) 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 15 ways as a sum of consecutive naturals, for example, 1521327 + ... + 1528136.

It is an arithmetic number, because the mean of its divisors is an integer number (1042916688).

Almost surely, 2^10383421515 is an apocalyptic number.

10383421515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10383421515 is a deficient number, since it is larger than the sum of its proper divisors (6303245493).

10383421515 is a wasteful number, since it uses less digits than its factorization.

10383421515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049698.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 10383421515 its reverse (51512438301), we get a palindrome (61895859816).

The spelling of 10383421515 in words is "ten billion, three hundred eighty-three million, four hundred twenty-one thousand, five hundred fifteen".