10342442421 has 16 divisors (see below), whose sum is σ = 15416144320. Its totient is φ = 6852658320.

The previous prime is 10342442333. The next prime is 10342442423. The reversal of 10342442421 is 12424424301.

10342442421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10342442421 - 2⁷ = 10342442293 is a prime.

It is a super-2 number, since 2×10342442421² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10342442423) 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, 1170610 + ... + 1179411.

It is an arithmetic number, because the mean of its divisors is an integer number (963509020).

Almost surely, 2^10342442421 is an apocalyptic number.

It is an amenable number.

10342442421 is a deficient number, since it is larger than the sum of its proper divisors (5073701899).

10342442421 is a wasteful number, since it uses less digits than its factorization.

10342442421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350193 (or 2350187 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 10342442421 its reverse (12424424301), we get a palindrome (22766866722).

The spelling of 10342442421 in words is "ten billion, three hundred forty-two million, four hundred forty-two thousand, four hundred twenty-one".