698122290494991 has 16 divisors (see below), whose sum is σ = 944787695349600. Its totient is φ = 458474753138688.

The previous prime is 698122290494987. The next prime is 698122290494999. The reversal of 698122290494991 is 199494092221896.

698122290494991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 698122290494991 - 2² = 698122290494987 is a prime.

It is a super-2 number, since 2×698122290494991² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698122290494999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4859947186 + ... + 4860090831.

It is an arithmetic number, because the mean of its divisors is an integer number (59049230959350).

Almost surely, 2^{698122290494991} is an apocalyptic number.

698122290494991 is a deficient number, since it is larger than the sum of its proper divisors (246665404854609).

698122290494991 is a wasteful number, since it uses less digits than its factorization.

698122290494991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9720038378.

The product of its (nonzero) digits is 362797056, while the sum is 75.

The spelling of 698122290494991 in words is "six hundred ninety-eight trillion, one hundred twenty-two billion, two hundred ninety million, four hundred ninety-four thousand, nine hundred ninety-one".