7244452381 has 4 divisors (see below), whose sum is σ = 7244725564. Its totient is φ = 7244179200.

The previous prime is 7244452357. The next prime is 7244452399. The reversal of 7244452381 is 1832544427.

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 3832724281 + 3411728100 = 61909^2 + 58410^2 .

It is a cyclic number.

It is not a de Polignac number, because 7244452381 - 2⁷ = 7244452253 is a prime.

It is a super-2 number, since 2×7244452381² (a number of 21 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 (7244452321) 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 3 ways as a sum of consecutive naturals, for example, 91950 + ... + 151471.

It is an arithmetic number, because the mean of its divisors is an integer number (1811181391).

Almost surely, 2^7244452381 is an apocalyptic number.

It is an amenable number.

7244452381 is a deficient number, since it is larger than the sum of its proper divisors (273183).

7244452381 is a wasteful number, since it uses less digits than its factorization.

7244452381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273182.

The product of its digits is 215040, while the sum is 40.

The square root of 7244452381 is about 85114.3488549375. The cubic root of 7244452381 is about 1934.9445357533.

The spelling of 7244452381 in words is "seven billion, two hundred forty-four million, four hundred fifty-two thousand, three hundred eighty-one".