4252722057349 has 2 divisors, whose sum is σ = 4252722057350. Its totient is φ = 4252722057348.

The previous prime is 4252722057341. The next prime is 4252722057401. The reversal of 4252722057349 is 9437502272524.

It is an a-pointer prime, because the next prime (4252722057401) can be obtained adding 4252722057349 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4136769549025 + 115952508324 = 2033905^2 + 340518^2 .

It is a cyclic number.

It is not a de Polignac number, because 4252722057349 - 2³ = 4252722057341 is a prime.

It is a super-2 number, since 2×4252722057349² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4252722057296 and 4252722057305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4252722057341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2126361028674 + 2126361028675.

It is an arithmetic number, because the mean of its divisors is an integer number (2126361028675).

Almost surely, 2^{4252722057349} is an apocalyptic number.

It is an amenable number.

4252722057349 is a deficient number, since it is larger than the sum of its proper divisors (1).

4252722057349 is an equidigital number, since it uses as much as digits as its factorization.

4252722057349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 4252722057349 in words is "four trillion, two hundred fifty-two billion, seven hundred twenty-two million, fifty-seven thousand, three hundred forty-nine".