698183457479 has 4 divisors (see below), whose sum is σ = 699924563760. Its totient is φ = 696442351200.

The previous prime is 698183457451. The next prime is 698183457563. The reversal of 698183457479 is 974754381896.

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 698183457479 - 2¹⁶ = 698183391943 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 (698183457409) 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, 870552539 + ... + 870553340.

It is an arithmetic number, because the mean of its divisors is an integer number (174981140940).

Almost surely, 2^698183457479 is an apocalyptic number.

698183457479 is a deficient number, since it is larger than the sum of its proper divisors (1741106281).

698183457479 is a wasteful number, since it uses less digits than its factorization.

698183457479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741106280.

The product of its digits is 365783040, while the sum is 71.

The spelling of 698183457479 in words is "six hundred ninety-eight billion, one hundred eighty-three million, four hundred fifty-seven thousand, four hundred seventy-nine".