24747275261 has 2 divisors, whose sum is σ = 24747275262. Its totient is φ = 24747275260.

The previous prime is 24747275183. The next prime is 24747275279. The reversal of 24747275261 is 16257274742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23840904025 + 906371236 = 154405^2 + 30106^2 .

It is a cyclic number.

It is not a de Polignac number, because 24747275261 - 2²⁶ = 24680166397 is a prime.

It is a super-2 number, since 2×24747275261² (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 (24747275281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12373637630 + 12373637631.

It is an arithmetic number, because the mean of its divisors is an integer number (12373637631).

Almost surely, 2^24747275261 is an apocalyptic number.

It is an amenable number.

24747275261 is a deficient number, since it is larger than the sum of its proper divisors (1).

24747275261 is an equidigital number, since it uses as much as digits as its factorization.

24747275261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1317120, while the sum is 47.

The spelling of 24747275261 in words is "twenty-four billion, seven hundred forty-seven million, two hundred seventy-five thousand, two hundred sixty-one".