298093012821 has 12 divisors (see below), whose sum is σ = 440592257248. Its totient is φ = 194107077864.

The previous prime is 298093012757. The next prime is 298093012837. The reversal of 298093012821 is 128210390892.

It is a happy number.

It is not a de Polignac number, because 298093012821 - 2⁶ = 298093012757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298093032821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385132705 + ... + 385133478.

Almost surely, 2^298093012821 is an apocalyptic number.

It is an amenable number.

298093012821 is a deficient number, since it is larger than the sum of its proper divisors (142499244427).

298093012821 is a wasteful number, since it uses less digits than its factorization.

298093012821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770266232 (or 770266229 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 298093012821 in words is "two hundred ninety-eight billion, ninety-three million, twelve thousand, eight hundred twenty-one".