698066486255 has 4 divisors (see below), whose sum is σ = 837679783512. Its totient is φ = 558453189000.

The previous prime is 698066486237. The next prime is 698066486419. The reversal of 698066486255 is 552684660896.

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

It is not a de Polignac number, because 698066486255 - 2³⁴ = 680886617071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 698066486191 and 698066486200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69806648621 + ... + 69806648630.

It is an arithmetic number, because the mean of its divisors is an integer number (209419945878).

Almost surely, 2^698066486255 is an apocalyptic number.

698066486255 is a deficient number, since it is larger than the sum of its proper divisors (139613297257).

698066486255 is a wasteful number, since it uses less digits than its factorization.

698066486255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139613297256.

The product of its (nonzero) digits is 149299200, while the sum is 65.

The spelling of 698066486255 in words is "six hundred ninety-eight billion, sixty-six million, four hundred eighty-six thousand, two hundred fifty-five".