541251577849 has 2 divisors, whose sum is σ = 541251577850. Its totient is φ = 541251577848.

The previous prime is 541251577807. The next prime is 541251577873. The reversal of 541251577849 is 948775152145.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 448589173824 + 92662404025 = 669768^2 + 304405^2 .

It is a cyclic number.

It is not a de Polignac number, because 541251577849 - 2⁷ = 541251577721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 541251577793 and 541251577802.

It is not a weakly prime, because it can be changed into another prime (541251577879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270625788924 + 270625788925.

It is an arithmetic number, because the mean of its divisors is an integer number (270625788925).

Almost surely, 2^541251577849 is an apocalyptic number.

It is an amenable number.

541251577849 is a deficient number, since it is larger than the sum of its proper divisors (1).

541251577849 is an equidigital number, since it uses as much as digits as its factorization.

541251577849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112000, while the sum is 58.

The spelling of 541251577849 in words is "five hundred forty-one billion, two hundred fifty-one million, five hundred seventy-seven thousand, eight hundred forty-nine".