344836165421 has 8 divisors (see below), whose sum is σ = 385360149888. Its totient is φ = 305841388000.

The previous prime is 344836165391. The next prime is 344836165441. The reversal of 344836165421 is 124561638443.

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 344836165421 - 2¹⁰ = 344836164397 is a prime.

It is a super-2 number, since 2×344836165421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344836165441) 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, 382301285 + ... + 382302186.

It is an arithmetic number, because the mean of its divisors is an integer number (48170018736).

Almost surely, 2^344836165421 is an apocalyptic number.

It is an amenable number.

344836165421 is a deficient number, since it is larger than the sum of its proper divisors (40523984467).

344836165421 is a wasteful number, since it uses less digits than its factorization.

344836165421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764603523.

The product of its digits is 1658880, while the sum is 47.

The spelling of 344836165421 in words is "three hundred forty-four billion, eight hundred thirty-six million, one hundred sixty-five thousand, four hundred twenty-one".