698397209374 has 4 divisors (see below), whose sum is σ = 1047595814064. Its totient is φ = 349198604686.

The previous prime is 698397209369. The next prime is 698397209387. The reversal of 698397209374 is 473902793896.

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

It is a super-2 number, since 2×698397209374² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174599302342 + ... + 174599302345.

It is an arithmetic number, because the mean of its divisors is an integer number (261898953516).

Almost surely, 2^698397209374 is an apocalyptic number.

698397209374 is a deficient number, since it is larger than the sum of its proper divisors (349198604690).

698397209374 is a wasteful number, since it uses less digits than its factorization.

698397209374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349198604689.

The product of its (nonzero) digits is 123451776, while the sum is 67.

The spelling of 698397209374 in words is "six hundred ninety-eight billion, three hundred ninety-seven million, two hundred nine thousand, three hundred seventy-four".