698258052098 has 4 divisors (see below), whose sum is σ = 1047387078150. Its totient is φ = 349129026048.

The previous prime is 698258052097. The next prime is 698258052119. The reversal of 698258052098 is 890250852896.

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

It can be written as a sum of positive squares in only one way, i.e., 493468315729 + 204789736369 = 702473^2 + 452537^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 698258052098.

It is not an unprimeable number, because it can be changed into a prime (698258052097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174564513023 + ... + 174564513026.

Almost surely, 2^698258052098 is an apocalyptic number.

698258052098 is a deficient number, since it is larger than the sum of its proper divisors (349129026052).

698258052098 is a wasteful number, since it uses less digits than its factorization.

698258052098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349129026051.

The product of its (nonzero) digits is 24883200, while the sum is 62.

The spelling of 698258052098 in words is "six hundred ninety-eight billion, two hundred fifty-eight million, fifty-two thousand, ninety-eight".