10698597109809 has 144 divisors (see below), whose sum is σ = 18966317260800. Its totient is φ = 5676718147776.

The previous prime is 10698597109789. The next prime is 10698597109813. The reversal of 10698597109809 is 90890179589601.

10698597109809 is a `hidden beast` number, since 10 + 6 + 9 + 8 + 597 + 10 + 9 + 8 + 0 + 9 = 666.

It is not a de Polignac number, because 10698597109809 - 2²⁵ = 10698563555377 is a prime.

It is a super-2 number, since 2×10698597109809² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10698597149809) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1038391152 + ... + 1038401454.

Almost surely, 2^{10698597109809} is an apocalyptic number.

10698597109809 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10698597109809 is a deficient number, since it is larger than the sum of its proper divisors (8267720150991).

10698597109809 is a wasteful number, since it uses less digits than its factorization.

10698597109809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10632 (or 10550 counting only the distinct ones).

The product of its (nonzero) digits is 88179840, while the sum is 72.

The spelling of 10698597109809 in words is "ten trillion, six hundred ninety-eight billion, five hundred ninety-seven million, one hundred nine thousand, eight hundred nine".