52453420489 has 2 divisors, whose sum is σ = 52453420490. Its totient is φ = 52453420488.

The previous prime is 52453420483. The next prime is 52453420567. The reversal of 52453420489 is 98402435425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51965761600 + 487658889 = 227960^2 + 22083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52453420489 is a prime.

It is a super-2 number, since 2×52453420489² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52453420483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26226710244 + 26226710245.

It is an arithmetic number, because the mean of its divisors is an integer number (26226710245).

Almost surely, 2^52453420489 is an apocalyptic number.

It is an amenable number.

52453420489 is a deficient number, since it is larger than the sum of its proper divisors (1).

52453420489 is an equidigital number, since it uses as much as digits as its factorization.

52453420489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 52453420489 in words is "fifty-two billion, four hundred fifty-three million, four hundred twenty thousand, four hundred eighty-nine".