10215253949 has 2 divisors, whose sum is σ = 10215253950. Its totient is φ = 10215253948.

The previous prime is 10215253933. The next prime is 10215254011. The reversal of 10215253949 is 94935251201.

10215253949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10194940900 + 20313049 = 100970^2 + 4507^2 .

It is a cyclic number.

It is not a de Polignac number, because 10215253949 - 2⁴ = 10215253933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10215256949) 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, 5107626974 + 5107626975.

It is an arithmetic number, because the mean of its divisors is an integer number (5107626975).

Almost surely, 2^10215253949 is an apocalyptic number.

It is an amenable number.

10215253949 is a deficient number, since it is larger than the sum of its proper divisors (1).

10215253949 is an equidigital number, since it uses as much as digits as its factorization.

10215253949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 10215253949 in words is "ten billion, two hundred fifteen million, two hundred fifty-three thousand, nine hundred forty-nine".