5152038644 has 6 divisors (see below), whose sum is σ = 9016067634. Its totient is φ = 2576019320.

The previous prime is 5152038643. The next prime is 5152038659. The reversal of 5152038644 is 4468302515.

It can be written as a sum of positive squares in only one way, i.e., 4891603600 + 260435044 = 69940^2 + 16138^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5152038598 and 5152038607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5152038643) 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 as a sum of consecutive naturals, namely, 644004827 + ... + 644004834.

It is an arithmetic number, because the mean of its divisors is an integer number (1502677939).

Almost surely, 2^5152038644 is an apocalyptic number.

It is an amenable number.

5152038644 is a deficient number, since it is larger than the sum of its proper divisors (3864028990).

5152038644 is a wasteful number, since it uses less digits than its factorization.

5152038644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288009665 (or 1288009663 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 5152038644 is about 71777.7029724412. The cubic root of 5152038644 is about 1727.1353399635.

The spelling of 5152038644 in words is "five billion, one hundred fifty-two million, thirty-eight thousand, six hundred forty-four".