24575138377 has 2 divisors, whose sum is σ = 24575138378. Its totient is φ = 24575138376.

The previous prime is 24575138359. The next prime is 24575138383. The reversal of 24575138377 is 77383157542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19457739081 + 5117399296 = 139491^2 + 71536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24575138377 is a prime.

It is a super-3 number, since 3×24575138377³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (24575838377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12287569188 + 12287569189.

It is an arithmetic number, because the mean of its divisors is an integer number (12287569189).

Almost surely, 2^24575138377 is an apocalyptic number.

It is an amenable number.

24575138377 is a deficient number, since it is larger than the sum of its proper divisors (1).

24575138377 is an equidigital number, since it uses as much as digits as its factorization.

24575138377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4939200, while the sum is 52.

The spelling of 24575138377 in words is "twenty-four billion, five hundred seventy-five million, one hundred thirty-eight thousand, three hundred seventy-seven".