541777630169 has 2 divisors, whose sum is σ = 541777630170. Its totient is φ = 541777630168.

The previous prime is 541777630159. The next prime is 541777630201. The reversal of 541777630169 is 961036777145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295153158400 + 246624471769 = 543280^2 + 496613^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-541777630169 is a prime.

It is a super-2 number, since 2×541777630169² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (541777630139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270888815084 + 270888815085.

It is an arithmetic number, because the mean of its divisors is an integer number (270888815085).

Almost surely, 2^541777630169 is an apocalyptic number.

It is an amenable number.

541777630169 is a deficient number, since it is larger than the sum of its proper divisors (1).

541777630169 is an equidigital number, since it uses as much as digits as its factorization.

541777630169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6667920, while the sum is 56.

The spelling of 541777630169 in words is "five hundred forty-one billion, seven hundred seventy-seven million, six hundred thirty thousand, one hundred sixty-nine".