16452632447 has 2 divisors, whose sum is σ = 16452632448. Its totient is φ = 16452632446.

The previous prime is 16452632401. The next prime is 16452632477. The reversal of 16452632447 is 74423625461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16452632447 - 2²⁴ = 16435855231 is a prime.

It is a super-2 number, since 2×16452632447² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16452632398 and 16452632407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16452632477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8226316223 + 8226316224.

It is an arithmetic number, because the mean of its divisors is an integer number (8226316224).

Almost surely, 2^16452632447 is an apocalyptic number.

16452632447 is a deficient number, since it is larger than the sum of its proper divisors (1).

16452632447 is an equidigital number, since it uses as much as digits as its factorization.

16452632447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 44.

The spelling of 16452632447 in words is "sixteen billion, four hundred fifty-two million, six hundred thirty-two thousand, four hundred forty-seven".