109831262463 has 144 divisors (see below), whose sum is σ = 187691909184. Its totient is φ = 61677158400.

The previous prime is 109831262461. The next prime is 109831262473. The reversal of 109831262463 is 364262138901.

109831262463 is a `hidden beast` number, since 1 + 0 + 9 + 8 + 3 + 12 + 624 + 6 + 3 = 666.

It is a Cunningham number, because it is equal to 331408²-1.

It is not a de Polignac number, because 109831262463 - 2¹ = 109831262461 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109831262461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 68600863 + ... + 68602463.

It is an arithmetic number, because the mean of its divisors is an integer number (1303416036).

Almost surely, 2^109831262463 is an apocalyptic number.

109831262463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

109831262463 is a deficient number, since it is larger than the sum of its proper divisors (77860646721).

109831262463 is a wasteful number, since it uses less digits than its factorization.

109831262463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746 (or 1730 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 109831262463 in words is "one hundred nine billion, eight hundred thirty-one million, two hundred sixty-two thousand, four hundred sixty-three".