276413890121 has 2 divisors, whose sum is σ = 276413890122. Its totient is φ = 276413890120.

The previous prime is 276413890009. The next prime is 276413890147. The reversal of 276413890121 is 121098314672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180663252025 + 95750638096 = 425045^2 + 309436^2 .

It is a cyclic number.

It is not a de Polignac number, because 276413890121 - 2¹⁴ = 276413873737 is a prime.

It is a super-2 number, since 2×276413890121² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (276413190121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138206945060 + 138206945061.

It is an arithmetic number, because the mean of its divisors is an integer number (138206945061).

Almost surely, 2^276413890121 is an apocalyptic number.

It is an amenable number.

276413890121 is a deficient number, since it is larger than the sum of its proper divisors (1).

276413890121 is an equidigital number, since it uses as much as digits as its factorization.

276413890121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 276413890121 in words is "two hundred seventy-six billion, four hundred thirteen million, eight hundred ninety thousand, one hundred twenty-one".