20752695525349 has 2 divisors, whose sum is σ = 20752695525350. Its totient is φ = 20752695525348.

The previous prime is 20752695525307. The next prime is 20752695525407. The reversal of 20752695525349 is 94352559625702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17763316769025 + 2989378756324 = 4214655^2 + 1728982^2 .

It is a cyclic number.

It is not a de Polignac number, because 20752695525349 - 2⁴³ = 11956602503141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20752695225349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10376347762674 + 10376347762675.

It is an arithmetic number, because the mean of its divisors is an integer number (10376347762675).

Almost surely, 2^{20752695525349} is an apocalyptic number.

It is an amenable number.

20752695525349 is a deficient number, since it is larger than the sum of its proper divisors (1).

20752695525349 is an equidigital number, since it uses as much as digits as its factorization.

20752695525349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120000, while the sum is 64.

The spelling of 20752695525349 in words is "twenty trillion, seven hundred fifty-two billion, six hundred ninety-five million, five hundred twenty-five thousand, three hundred forty-nine".