298874663551 has 4 divisors (see below), whose sum is σ = 301519572192. Its totient is φ = 296229754912.

The previous prime is 298874663473. The next prime is 298874663557. The reversal of 298874663551 is 155366478892.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 298874663551 - 2²³ = 298866274943 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 (298874663557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1322454151 + ... + 1322454376.

It is an arithmetic number, because the mean of its divisors is an integer number (75379893048).

Almost surely, 2^298874663551 is an apocalyptic number.

298874663551 is a deficient number, since it is larger than the sum of its proper divisors (2644908641).

298874663551 is a wasteful number, since it uses less digits than its factorization.

298874663551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644908640.

The product of its digits is 87091200, while the sum is 64.

The spelling of 298874663551 in words is "two hundred ninety-eight billion, eight hundred seventy-four million, six hundred sixty-three thousand, five hundred fifty-one".