105342465421 has 8 divisors (see below), whose sum is σ = 111586166784. Its totient is φ = 99103995840.

The previous prime is 105342465373. The next prime is 105342465427. The reversal of 105342465421 is 124564243501.

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

It is a cyclic number.

It is not a de Polignac number, because 105342465421 - 2¹³ = 105342457229 is a prime.

It is a super-3 number, since 3×105342465421³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105342465427) 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 7 ways as a sum of consecutive naturals, for example, 1266445 + ... + 1347058.

It is an arithmetic number, because the mean of its divisors is an integer number (13948270848).

Almost surely, 2^105342465421 is an apocalyptic number.

It is an amenable number.

105342465421 is a deficient number, since it is larger than the sum of its proper divisors (6243701363).

105342465421 is a wasteful number, since it uses less digits than its factorization.

105342465421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615891.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 105342465421 in words is "one hundred five billion, three hundred forty-two million, four hundred sixty-five thousand, four hundred twenty-one".