252463661089 has 2 divisors, whose sum is σ = 252463661090. Its totient is φ = 252463661088.

The previous prime is 252463661057. The next prime is 252463661159. The reversal of 252463661089 is 980166364252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210214914064 + 42248747025 = 458492^2 + 205545^2 .

It is a cyclic number.

It is not a de Polignac number, because 252463661089 - 2⁵ = 252463661057 is a prime.

It is a super-2 number, since 2×252463661089² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252463661039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126231830544 + 126231830545.

It is an arithmetic number, because the mean of its divisors is an integer number (126231830545).

Almost surely, 2^252463661089 is an apocalyptic number.

It is an amenable number.

252463661089 is a deficient number, since it is larger than the sum of its proper divisors (1).

252463661089 is an equidigital number, since it uses as much as digits as its factorization.

252463661089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 252463661089 in words is "two hundred fifty-two billion, four hundred sixty-three million, six hundred sixty-one thousand, eighty-nine".