10101968249 has 2 divisors, whose sum is σ = 10101968250. Its totient is φ = 10101968248.

The previous prime is 10101968221. The next prime is 10101968269. The reversal of 10101968249 is 94286910101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7530768400 + 2571199849 = 86780^2 + 50707^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101968249 - 2¹² = 10101964153 is a prime.

It is not a weakly prime, because it can be changed into another prime (10101968269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050984124 + 5050984125.

It is an arithmetic number, because the mean of its divisors is an integer number (5050984125).

Almost surely, 2^10101968249 is an apocalyptic number.

It is an amenable number.

10101968249 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101968249 is an equidigital number, since it uses as much as digits as its factorization.

10101968249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 41.

The spelling of 10101968249 in words is "ten billion, one hundred one million, nine hundred sixty-eight thousand, two hundred forty-nine".