10204253166449 has 2 divisors, whose sum is σ = 10204253166450. Its totient is φ = 10204253166448.

The previous prime is 10204253166431. The next prime is 10204253166643. The reversal of 10204253166449 is 94466135240201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9946359826225 + 257893340224 = 3153785^2 + 507832^2 .

It is a cyclic number.

It is not a de Polignac number, because 10204253166449 - 2³⁶ = 10135533689713 is a prime.

It is not a weakly prime, because it can be changed into another prime (10204253166049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102126583224 + 5102126583225.

It is an arithmetic number, because the mean of its divisors is an integer number (5102126583225).

Almost surely, 2^{10204253166449} is an apocalyptic number.

It is an amenable number.

10204253166449 is a deficient number, since it is larger than the sum of its proper divisors (1).

10204253166449 is an equidigital number, since it uses as much as digits as its factorization.

10204253166449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 10204253166449 in words is "ten trillion, two hundred four billion, two hundred fifty-three million, one hundred sixty-six thousand, four hundred forty-nine".