698082131 has 16 divisors (see below), whose sum is σ = 741002304. Its totient is φ = 656308224.

The previous prime is 698082103. The next prime is 698082139. The reversal of 698082131 is 131280896.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-698082131 is a prime.

It is a super-2 number, since 2×698082131² = 974637323243002322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (698082139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349271 + ... + 351263.

It is an arithmetic number, because the mean of its divisors is an integer number (46312644).

Almost surely, 2^698082131 is an apocalyptic number.

698082131 is a deficient number, since it is larger than the sum of its proper divisors (42920173).

698082131 is a wasteful number, since it uses less digits than its factorization.

698082131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 698082131 is about 26421.2439336228. The cubic root of 698082131 is about 887.0923631114.

The spelling of 698082131 in words is "six hundred ninety-eight million, eighty-two thousand, one hundred thirty-one".