24745564453 has 2 divisors, whose sum is σ = 24745564454. Its totient is φ = 24745564452.

The previous prime is 24745564421. The next prime is 24745564471. The reversal of 24745564453 is 35446554742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23016834369 + 1728730084 = 151713^2 + 41578^2 .

It is a cyclic number.

It is not a de Polignac number, because 24745564453 - 2⁵ = 24745564421 is a prime.

It is a super-2 number, since 2×24745564453² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 24745564397 and 24745564406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24745564153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12372782226 + 12372782227.

It is an arithmetic number, because the mean of its divisors is an integer number (12372782227).

Almost surely, 2^24745564453 is an apocalyptic number.

It is an amenable number.

24745564453 is a deficient number, since it is larger than the sum of its proper divisors (1).

24745564453 is an equidigital number, since it uses as much as digits as its factorization.

24745564453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064000, while the sum is 49.

The spelling of 24745564453 in words is "twenty-four billion, seven hundred forty-five million, five hundred sixty-four thousand, four hundred fifty-three".