16452472732457 has 2 divisors, whose sum is σ = 16452472732458. Its totient is φ = 16452472732456.

The previous prime is 16452472732427. The next prime is 16452472732459. The reversal of 16452472732457 is 75423727425461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14409342689296 + 2043130043161 = 3795964^2 + 1429381^2 .

It is an emirp because it is prime and its reverse (75423727425461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16452472732457 - 2⁶ = 16452472732393 is a prime.

It is a super-2 number, since 2×16452472732457² (a number of 27 digits) contains 22 as substring.

Together with 16452472732459, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16452472732396 and 16452472732405.

It is not a weakly prime, because it can be changed into another prime (16452472732459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8226236366228 + 8226236366229.

It is an arithmetic number, because the mean of its divisors is an integer number (8226236366229).

Almost surely, 2^{16452472732457} is an apocalyptic number.

It is an amenable number.

16452472732457 is a deficient number, since it is larger than the sum of its proper divisors (1).

16452472732457 is an equidigital number, since it uses as much as digits as its factorization.

16452472732457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79027200, while the sum is 59.

The spelling of 16452472732457 in words is "sixteen trillion, four hundred fifty-two billion, four hundred seventy-two million, seven hundred thirty-two thousand, four hundred fifty-seven".