10210210949 has 2 divisors, whose sum is σ = 10210210950. Its totient is φ = 10210210948.

The previous prime is 10210210891. The next prime is 10210211009. The reversal of 10210210949 is 94901201201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8146326049 + 2063884900 = 90257^2 + 45430^2 .

It is a cyclic number.

It is not a de Polignac number, because 10210210949 - 2²⁰ = 10209162373 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10210210349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105105474 + 5105105475.

It is an arithmetic number, because the mean of its divisors is an integer number (5105105475).

Almost surely, 2^10210210949 is an apocalyptic number.

It is an amenable number.

10210210949 is a deficient number, since it is larger than the sum of its proper divisors (1).

10210210949 is an equidigital number, since it uses as much as digits as its factorization.

10210210949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 10210210949 in words is "ten billion, two hundred ten million, two hundred ten thousand, nine hundred forty-nine".