12501792949 has 2 divisors, whose sum is σ = 12501792950. Its totient is φ = 12501792948.

The previous prime is 12501792893. The next prime is 12501792973. The reversal of 12501792949 is 94929710521.

12501792949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10981572849 + 1520220100 = 104793^2 + 38990^2 .

It is an emirp because it is prime and its reverse (94929710521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12501792949 - 2¹¹ = 12501790901 is a prime.

It is a super-2 number, since 2×12501792949² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12501792749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250896474 + 6250896475.

It is an arithmetic number, because the mean of its divisors is an integer number (6250896475).

Almost surely, 2^12501792949 is an apocalyptic number.

It is an amenable number.

12501792949 is a deficient number, since it is larger than the sum of its proper divisors (1).

12501792949 is an equidigital number, since it uses as much as digits as its factorization.

12501792949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 49.

The spelling of 12501792949 in words is "twelve billion, five hundred one million, seven hundred ninety-two thousand, nine hundred forty-nine".