298765779073 has 2 divisors, whose sum is σ = 298765779074. Its totient is φ = 298765779072.

The previous prime is 298765779031. The next prime is 298765779079. The reversal of 298765779073 is 370977567892.

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., 298763907649 + 1871424 = 546593^2 + 1368^2 .

It is a cyclic number.

It is not a de Polignac number, because 298765779073 - 2⁹ = 298765778561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 298765778993 and 298765779011.

It is not a weakly prime, because it can be changed into another prime (298765779079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149382889536 + 149382889537.

It is an arithmetic number, because the mean of its divisors is an integer number (149382889537).

Almost surely, 2^298765779073 is an apocalyptic number.

It is an amenable number.

298765779073 is a deficient number, since it is larger than the sum of its proper divisors (1).

298765779073 is an equidigital number, since it uses as much as digits as its factorization.

298765779073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280052640, while the sum is 70.

The spelling of 298765779073 in words is "two hundred ninety-eight billion, seven hundred sixty-five million, seven hundred seventy-nine thousand, seventy-three".