109623759381 has 12 divisors (see below), whose sum is σ = 160575648480. Its totient is φ = 72053174760.

The previous prime is 109623759347. The next prime is 109623759391. The reversal of 109623759381 is 183957326901.

109623759381 is a `hidden beast` number, since 1 + 0 + 9 + 623 + 7 + 5 + 9 + 3 + 8 + 1 = 666.

It is not a de Polignac number, because 109623759381 - 2⁷ = 109623759253 is a prime.

It is a super-2 number, since 2×109623759381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109623759391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85776951 + ... + 85778228.

It is an arithmetic number, because the mean of its divisors is an integer number (13381304040).

Almost surely, 2^109623759381 is an apocalyptic number.

It is an amenable number.

109623759381 is a deficient number, since it is larger than the sum of its proper divisors (50951889099).

109623759381 is a wasteful number, since it uses less digits than its factorization.

109623759381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171555256 (or 171555253 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 109623759381 in words is "one hundred nine billion, six hundred twenty-three million, seven hundred fifty-nine thousand, three hundred eighty-one".