298475376281 has 2 divisors, whose sum is σ = 298475376282. Its totient is φ = 298475376280.

The previous prime is 298475376253. The next prime is 298475376299. The reversal of 298475376281 is 182673574892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296035016281 + 2440360000 = 544091^2 + 49400^2 .

It is a cyclic number.

It is not a de Polignac number, because 298475376281 - 2¹⁰ = 298475375257 is a prime.

It is a super-2 number, since 2×298475376281² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (298475366281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149237688140 + 149237688141.

It is an arithmetic number, because the mean of its divisors is an integer number (149237688141).

Almost surely, 2^298475376281 is an apocalyptic number.

It is an amenable number.

298475376281 is a deficient number, since it is larger than the sum of its proper divisors (1).

298475376281 is an equidigital number, since it uses as much as digits as its factorization.

298475376281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40642560, while the sum is 62.

The spelling of 298475376281 in words is "two hundred ninety-eight billion, four hundred seventy-five million, three hundred seventy-six thousand, two hundred eighty-one".