24045002381 has 2 divisors, whose sum is σ = 24045002382. Its totient is φ = 24045002380.

The previous prime is 24045002363. The next prime is 24045002413. The reversal of 24045002381 is 18320054042.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13634065225 + 10410937156 = 116765^2 + 102034^2 .

It is a cyclic number.

It is not a de Polignac number, because 24045002381 - 2²⁶ = 23977893517 is a prime.

It is a super-2 number, since 2×24045002381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24045002321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12022501190 + 12022501191.

It is an arithmetic number, because the mean of its divisors is an integer number (12022501191).

Almost surely, 2^24045002381 is an apocalyptic number.

It is an amenable number.

24045002381 is a deficient number, since it is larger than the sum of its proper divisors (1).

24045002381 is an equidigital number, since it uses as much as digits as its factorization.

24045002381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 24045002381 in words is "twenty-four billion, forty-five million, two thousand, three hundred eighty-one".