849071453 has 2 divisors, whose sum is σ = 849071454. Its totient is φ = 849071452.

The previous prime is 849071417. The next prime is 849071459. The reversal of 849071453 is 354170948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 777127129 + 71944324 = 27877^2 + 8482^2 .

It is a cyclic number.

It is not a de Polignac number, because 849071453 - 2¹⁰ = 849070429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 849071453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (849071459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424535726 + 424535727.

It is an arithmetic number, because the mean of its divisors is an integer number (424535727).

Almost surely, 2^849071453 is an apocalyptic number.

It is an amenable number.

849071453 is a deficient number, since it is larger than the sum of its proper divisors (1).

849071453 is an equidigital number, since it uses as much as digits as its factorization.

849071453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 849071453 is about 29138.8306731756. The cubic root of 849071453 is about 946.9231769654.

The spelling of 849071453 in words is "eight hundred forty-nine million, seventy-one thousand, four hundred fifty-three".