109662783481 has 4 divisors (see below), whose sum is σ = 112626642532. Its totient is φ = 106698924432.

The previous prime is 109662783467. The next prime is 109662783487. The reversal of 109662783481 is 184387266901.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43480590400 + 66182193081 = 208520^2 + 257259^2 .

It is a cyclic number.

It is not a de Polignac number, because 109662783481 - 2¹⁷ = 109662652409 is a prime.

It is a super-2 number, since 2×109662783481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109662783487) 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 3 ways as a sum of consecutive naturals, for example, 1481929470 + ... + 1481929543.

It is an arithmetic number, because the mean of its divisors is an integer number (28156660633).

Almost surely, 2^109662783481 is an apocalyptic number.

It is an amenable number.

109662783481 is a deficient number, since it is larger than the sum of its proper divisors (2963859051).

109662783481 is an equidigital number, since it uses as much as digits as its factorization.

109662783481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963859050.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 109662783481 in words is "one hundred nine billion, six hundred sixty-two million, seven hundred eighty-three thousand, four hundred eighty-one".