846495649541 has 2 divisors, whose sum is σ = 846495649542. Its totient is φ = 846495649540.

The previous prime is 846495649523. The next prime is 846495649543. The reversal of 846495649541 is 145946594648.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 660122125441 + 186373524100 = 812479^2 + 431710^2 .

It is a cyclic number.

It is not a de Polignac number, because 846495649541 - 2²² = 846491455237 is a prime.

Together with 846495649543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (846495649543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423247824770 + 423247824771.

It is an arithmetic number, because the mean of its divisors is an integer number (423247824771).

Almost surely, 2^846495649541 is an apocalyptic number.

It is an amenable number.

846495649541 is a deficient number, since it is larger than the sum of its proper divisors (1).

846495649541 is an equidigital number, since it uses as much as digits as its factorization.

846495649541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 149299200, while the sum is 65.

The spelling of 846495649541 in words is "eight hundred forty-six billion, four hundred ninety-five million, six hundred forty-nine thousand, five hundred forty-one".