52886784749 has 2 divisors, whose sum is σ = 52886784750. Its totient is φ = 52886784748.

The previous prime is 52886784721. The next prime is 52886784767. The reversal of 52886784749 is 94748768825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44809269124 + 8077515625 = 211682^2 + 89875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52886784749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52886781749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26443392374 + 26443392375.

It is an arithmetic number, because the mean of its divisors is an integer number (26443392375).

Almost surely, 2^52886784749 is an apocalyptic number.

It is an amenable number.

52886784749 is a deficient number, since it is larger than the sum of its proper divisors (1).

52886784749 is an equidigital number, since it uses as much as digits as its factorization.

52886784749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216760320, while the sum is 68.

The spelling of 52886784749 in words is "fifty-two billion, eight hundred eighty-six million, seven hundred eighty-four thousand, seven hundred forty-nine".