24785730481 has 2 divisors, whose sum is σ = 24785730482. Its totient is φ = 24785730480.

The previous prime is 24785730457. The next prime is 24785730509. The reversal of 24785730481 is 18403758742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14214600625 + 10571129856 = 119225^2 + 102816^2 .

It is a cyclic number.

It is not a de Polignac number, because 24785730481 - 2¹¹ = 24785728433 is a prime.

It is a super-2 number, since 2×24785730481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24785730181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12392865240 + 12392865241.

It is an arithmetic number, because the mean of its divisors is an integer number (12392865241).

Almost surely, 2^24785730481 is an apocalyptic number.

It is an amenable number.

24785730481 is a deficient number, since it is larger than the sum of its proper divisors (1).

24785730481 is an equidigital number, since it uses as much as digits as its factorization.

24785730481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 24785730481 in words is "twenty-four billion, seven hundred eighty-five million, seven hundred thirty thousand, four hundred eighty-one".