24002542381 has 2 divisors, whose sum is σ = 24002542382. Its totient is φ = 24002542380.

The previous prime is 24002542373. The next prime is 24002542397. The reversal of 24002542381 is 18324520042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16211655625 + 7790886756 = 127325^2 + 88266^2 .

It is a cyclic number.

It is not a de Polignac number, because 24002542381 - 2³ = 24002542373 is a prime.

It is a super-2 number, since 2×24002542381² (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 (24002542481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12001271190 + 12001271191.

It is an arithmetic number, because the mean of its divisors is an integer number (12001271191).

Almost surely, 2^24002542381 is an apocalyptic number.

It is an amenable number.

24002542381 is a deficient number, since it is larger than the sum of its proper divisors (1).

24002542381 is an equidigital number, since it uses as much as digits as its factorization.

24002542381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 24002542381 in words is "twenty-four billion, two million, five hundred forty-two thousand, three hundred eighty-one".