2247639619369 has 27 divisors (see below), whose sum is σ = 2473615578031. Its totient is φ = 2041808168960.

The previous prime is 2247639619339. The next prime is 2247639619391. The reversal of 2247639619369 is 9639169367422.

The square root of 2247639619369 is 1499213.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 67847225625 + 2179792393744 = 260475^2 + 1476412^2 .

It is not a de Polignac number, because 2247639619369 - 2⁹ = 2247639618857 is a prime.

It is a super-2 number, since 2×2247639619369² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2247639619339) 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 26 ways as a sum of consecutive naturals, for example, 739110489 + ... + 739113529.

Almost surely, 2^{2247639619369} is an apocalyptic number.

2247639619369 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2247639619369 is the 1499213-rd square number.

2247639619369 is the 749607-th centered octagonal number.

It is an amenable number.

2247639619369 is a deficient number, since it is larger than the sum of its proper divisors (225975958662).

2247639619369 is an frugal number, since it uses more digits than its factorization.

2247639619369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174 (or 3087 counting only the distinct ones).

The product of its digits is 158723712, while the sum is 67.

The spelling of 2247639619369 in words is "two trillion, two hundred forty-seven billion, six hundred thirty-nine million, six hundred nineteen thousand, three hundred sixty-nine".