4344919057 has 4 divisors (see below), whose sum is σ = 4345073460. Its totient is φ = 4344764656.

The previous prime is 4344919037. The next prime is 4344919063. The reversal of 4344919057 is 7509194434.

It is a Cunningham number, because it is equal to 65916²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2202988096 + 2141930961 = 46936^2 + 46281^2 .

It is a cyclic number.

It is not a de Polignac number, because 4344919057 - 2¹⁵ = 4344886289 is a prime.

It is a super-2 number, since 2×4344919057² = 37756643223763538498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4344918998 and 4344919016.

It is not an unprimeable number, because it can be changed into a prime (4344919027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21682 + ... + 95707.

It is an arithmetic number, because the mean of its divisors is an integer number (1086268365).

Almost surely, 2^4344919057 is an apocalyptic number.

It is an amenable number.

4344919057 is a deficient number, since it is larger than the sum of its proper divisors (154403).

4344919057 is a wasteful number, since it uses less digits than its factorization.

4344919057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154402.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 4344919057 is about 65916.0000075854. Note that the first 5 decimals coincide. The cubic root of 4344919057 is about 1631.7760831586.

The spelling of 4344919057 in words is "four billion, three hundred forty-four million, nine hundred nineteen thousand, fifty-seven".