109374648373 has 4 divisors (see below), whose sum is σ = 110006871948. Its totient is φ = 108742424800.

The previous prime is 109374648307. The next prime is 109374648377. The reversal of 109374648373 is 373846473901.

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 65901564369 + 43473084004 = 256713^2 + 208502^2 .

It is a cyclic number.

It is not a de Polignac number, because 109374648373 - 2²⁵ = 109341093941 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 (109374648377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316111528 + ... + 316111873.

It is an arithmetic number, because the mean of its divisors is an integer number (27501717987).

Almost surely, 2^109374648373 is an apocalyptic number.

It is an amenable number.

109374648373 is a deficient number, since it is larger than the sum of its proper divisors (632223575).

109374648373 is an equidigital number, since it uses as much as digits as its factorization.

109374648373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632223574.

The product of its (nonzero) digits is 9144576, while the sum is 55.

The spelling of 109374648373 in words is "one hundred nine billion, three hundred seventy-four million, six hundred forty-eight thousand, three hundred seventy-three".