910057143449 has 2 divisors, whose sum is σ = 910057143450. Its totient is φ = 910057143448.

The previous prime is 910057143419. The next prime is 910057143469. The reversal of 910057143449 is 944341750019.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 466058809225 + 443998334224 = 682685^2 + 666332^2 .

It is a cyclic number.

It is not a de Polignac number, because 910057143449 - 2²⁰ = 910056094873 is a prime.

It is a super-4 number, since 4×910057143449⁴ (a number of 49 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (910057143419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455028571724 + 455028571725.

It is an arithmetic number, because the mean of its divisors is an integer number (455028571725).

Almost surely, 2^910057143449 is an apocalyptic number.

It is an amenable number.

910057143449 is a deficient number, since it is larger than the sum of its proper divisors (1).

910057143449 is an equidigital number, since it uses as much as digits as its factorization.

910057143449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 910057143449 in words is "nine hundred ten billion, fifty-seven million, one hundred forty-three thousand, four hundred forty-nine".