24724968949 has 2 divisors, whose sum is σ = 24724968950. Its totient is φ = 24724968948.

The previous prime is 24724968941. The next prime is 24724968991. The reversal of 24724968949 is 94986942742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24478792849 + 246176100 = 156457^2 + 15690^2 .

It is a cyclic number.

It is not a de Polignac number, because 24724968949 - 2³ = 24724968941 is a prime.

It is a super-2 number, since 2×24724968949² (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 (24724968941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12362484474 + 12362484475.

It is an arithmetic number, because the mean of its divisors is an integer number (12362484475).

Almost surely, 2^24724968949 is an apocalyptic number.

It is an amenable number.

24724968949 is a deficient number, since it is larger than the sum of its proper divisors (1).

24724968949 is an equidigital number, since it uses as much as digits as its factorization.

24724968949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62705664, while the sum is 64.

The spelling of 24724968949 in words is "twenty-four billion, seven hundred twenty-four million, nine hundred sixty-eight thousand, nine hundred forty-nine".