5193640449936 has 45 divisors (see below), whose sum is σ = 14535056405649. Its totient is φ = 1731204367488.

The previous prime is 5193640449929. The next prime is 5193640449953. The reversal of 5193640449936 is 6399440463915.

The square root of 5193640449936 is 2278956.

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

5193640449936 is a `hidden beast` number, since 5 + 193 + 6 + 404 + 4 + 9 + 9 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1086305907600 + 4107334542336 = 1042260^2 + 2026656^2 .

It is a super-2 number, since 2×5193640449936² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 27252516 + ... + 27442428.

Almost surely, 2^{5193640449936} is an apocalyptic number.

5193640449936 is the 2278956-th square number.

It is an amenable number.

5193640449936 is an abundant number, since it is smaller than the sum of its proper divisors (9341415955713).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5193640449936 is an frugal number, since it uses more digits than its factorization.

5193640449936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379840 (or 189918 counting only the distinct ones).

The product of its (nonzero) digits is 75582720, while the sum is 63.

The spelling of 5193640449936 in words is "five trillion, one hundred ninety-three billion, six hundred forty million, four hundred forty-nine thousand, nine hundred thirty-six".