109012861629 has 24 divisors (see below), whose sum is σ = 179967058752. Its totient is φ = 62289838080.

The previous prime is 109012861621. The next prime is 109012861669. The reversal of 109012861629 is 926168210901.

109012861629 is a `hidden beast` number, since 1 + 0 + 9 + 0 + 1 + 2 + 8 + 616 + 29 = 666.

It is not a de Polignac number, because 109012861629 - 2³ = 109012861621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109012861621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1743549 + ... + 1804989.

It is an arithmetic number, because the mean of its divisors is an integer number (7498627448).

Almost surely, 2^109012861629 is an apocalyptic number.

It is an amenable number.

109012861629 is a deficient number, since it is larger than the sum of its proper divisors (70954197123).

109012861629 is a wasteful number, since it uses less digits than its factorization.

109012861629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89617 (or 89614 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 109012861629 in words is "one hundred nine billion, twelve million, eight hundred sixty-one thousand, six hundred twenty-nine".