344424621519 has 12 divisors (see below), whose sum is σ = 542729706792. Its totient is φ = 208742194800.

The previous prime is 344424621451. The next prime is 344424621551. The reversal of 344424621519 is 915126424443.

344424621519 is a `hidden beast` number, since 3 + 4 + 4 + 4 + 2 + 4 + 621 + 5 + 19 = 666.

It is not a de Polignac number, because 344424621519 - 2¹⁷ = 344424490447 is a prime.

It is a super-2 number, since 2×344424621519² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344424621599) 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 11 ways as a sum of consecutive naturals, for example, 1739518192 + ... + 1739518389.

It is an arithmetic number, because the mean of its divisors is an integer number (45227475566).

Almost surely, 2^344424621519 is an apocalyptic number.

344424621519 is a deficient number, since it is larger than the sum of its proper divisors (198305085273).

344424621519 is a wasteful number, since it uses less digits than its factorization.

344424621519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479036598 (or 3479036595 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 344424621519 in words is "three hundred forty-four billion, four hundred twenty-four million, six hundred twenty-one thousand, five hundred nineteen".