2497170644 has 12 divisors (see below), whose sum is σ = 4392692724. Its totient is φ = 1242115584.

The previous prime is 2497170623. The next prime is 2497170649. The reversal of 2497170644 is 4460717942.

It can be written as a sum of positive squares in 2 ways, for example, as 587480644 + 1909690000 = 24238^2 + 43700^2 .

It is a super-2 number, since 2×2497170644² = 12471722450510749472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2497170595 and 2497170604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2497170649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1616567 + ... + 1618110.

It is an arithmetic number, because the mean of its divisors is an integer number (366057727).

Almost surely, 2^2497170644 is an apocalyptic number.

It is an amenable number.

2497170644 is a deficient number, since it is larger than the sum of its proper divisors (1895522080).

2497170644 is a wasteful number, since it uses less digits than its factorization.

2497170644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3234874 (or 3234872 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 2497170644 is about 49971.6984302115. The cubic root of 2497170644 is about 1356.6966114392.

The spelling of 2497170644 in words is "two billion, four hundred ninety-seven million, one hundred seventy thousand, six hundred forty-four".