280379541061 has 2 divisors, whose sum is σ = 280379541062. Its totient is φ = 280379541060.

The previous prime is 280379541037. The next prime is 280379541109. The reversal of 280379541061 is 160145973082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156158538561 + 124221002500 = 395169^2 + 352450^2 .

It is a cyclic number.

It is not a de Polignac number, because 280379541061 - 2²⁵ = 280345986629 is a prime.

It is a super-2 number, since 2×280379541061² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (280379541011) 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, 140189770530 + 140189770531.

It is an arithmetic number, because the mean of its divisors is an integer number (140189770531).

It is a 1-persistent number, because it is pandigital, but 2⋅280379541061 = 560759082122 is not.

Almost surely, 2^280379541061 is an apocalyptic number.

It is an amenable number.

280379541061 is a deficient number, since it is larger than the sum of its proper divisors (1).

280379541061 is an equidigital number, since it uses as much as digits as its factorization.

280379541061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 280379541061 in words is "two hundred eighty billion, three hundred seventy-nine million, five hundred forty-one thousand, sixty-one".