109419377797 has 16 divisors (see below), whose sum is σ = 116597061360. Its totient is φ = 102485634048.

The previous prime is 109419377783. The next prime is 109419377861. The reversal of 109419377797 is 797773914901.

It is a Cunningham number, because it is equal to 330786²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 5013489636 + 104405888161 = 70806^2 + 323119^2 .

It is a cyclic number.

It is not a de Polignac number, because 109419377797 - 2¹⁵ = 109419345029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109419377297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210303 + ... + 512899.

It is an arithmetic number, because the mean of its divisors is an integer number (7287316335).

Almost surely, 2^109419377797 is an apocalyptic number.

It is an amenable number.

109419377797 is a deficient number, since it is larger than the sum of its proper divisors (7177683563).

109419377797 is a wasteful number, since it uses less digits than its factorization.

109419377797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303000.

The product of its (nonzero) digits is 21003948, while the sum is 64.

The spelling of 109419377797 in words is "one hundred nine billion, four hundred nineteen million, three hundred seventy-seven thousand, seven hundred ninety-seven".