10854061549 has 2 divisors, whose sum is σ = 10854061550. Its totient is φ = 10854061548.

The previous prime is 10854061541. The next prime is 10854061601. The reversal of 10854061549 is 94516045801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7531115524 + 3322946025 = 86782^2 + 57645^2 .

It is a cyclic number.

It is not a de Polignac number, because 10854061549 - 2³ = 10854061541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10854061541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5427030774 + 5427030775.

It is an arithmetic number, because the mean of its divisors is an integer number (5427030775).

Almost surely, 2^10854061549 is an apocalyptic number.

It is an amenable number.

10854061549 is a deficient number, since it is larger than the sum of its proper divisors (1).

10854061549 is an equidigital number, since it uses as much as digits as its factorization.

10854061549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 10854061549 in words is "ten billion, eight hundred fifty-four million, sixty-one thousand, five hundred forty-nine".