849937305461 has 2 divisors, whose sum is σ = 849937305462. Its totient is φ = 849937305460.

The previous prime is 849937305407. The next prime is 849937305509. The reversal of 849937305461 is 164503739948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 814858263025 + 35079042436 = 902695^2 + 187294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-849937305461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 849937305461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (849937365461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424968652730 + 424968652731.

It is an arithmetic number, because the mean of its divisors is an integer number (424968652731).

Almost surely, 2^849937305461 is an apocalyptic number.

It is an amenable number.

849937305461 is a deficient number, since it is larger than the sum of its proper divisors (1).

849937305461 is an equidigital number, since it uses as much as digits as its factorization.

849937305461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 849937305461 in words is "eight hundred forty-nine billion, nine hundred thirty-seven million, three hundred five thousand, four hundred sixty-one".