252410889477749 has 2 divisors, whose sum is σ = 252410889477750. Its totient is φ = 252410889477748.

The previous prime is 252410889477689. The next prime is 252410889477899. The reversal of 252410889477749 is 947774988014252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200403859149649 + 52007030328100 = 14156407^2 + 7211590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252410889477749 is a prime.

It is a super-2 number, since 2×252410889477749² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252410889477749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252410889477949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126205444738874 + 126205444738875.

It is an arithmetic number, because the mean of its divisors is an integer number (126205444738875).

Almost surely, 2^{252410889477749} is an apocalyptic number.

It is an amenable number.

252410889477749 is a deficient number, since it is larger than the sum of its proper divisors (1).

252410889477749 is an equidigital number, since it uses as much as digits as its factorization.

252410889477749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2275983360, while the sum is 77.

The spelling of 252410889477749 in words is "two hundred fifty-two trillion, four hundred ten billion, eight hundred eighty-nine million, four hundred seventy-seven thousand, seven hundred forty-nine".