849311453 has 2 divisors, whose sum is σ = 849311454. Its totient is φ = 849311452.

The previous prime is 849311417. The next prime is 849311459. The reversal of 849311453 is 354113948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 485188729 + 364122724 = 22027^2 + 19082^2 .

It is a cyclic number.

It is not a de Polignac number, because 849311453 - 2⁶ = 849311389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (849311459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424655726 + 424655727.

It is an arithmetic number, because the mean of its divisors is an integer number (424655727).

Almost surely, 2^849311453 is an apocalyptic number.

It is an amenable number.

849311453 is a deficient number, since it is larger than the sum of its proper divisors (1).

849311453 is an equidigital number, since it uses as much as digits as its factorization.

849311453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 849311453 is about 29142.9485982459. The cubic root of 849311453 is about 947.0123882060.

The spelling of 849311453 in words is "eight hundred forty-nine million, three hundred eleven thousand, four hundred fifty-three".