109438711439 has 4 divisors (see below), whose sum is σ = 115198643640. Its totient is φ = 103678779240.

The previous prime is 109438711433. The next prime is 109438711453. The reversal of 109438711439 is 934117834901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934117834901 = 439 ⋅2127831059.

It is a cyclic number.

It is not a de Polignac number, because 109438711439 - 2⁴ = 109438711423 is a prime.

It is a super-2 number, since 2×109438711439² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109438711433) 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, 2879966072 + ... + 2879966109.

It is an arithmetic number, because the mean of its divisors is an integer number (28799660910).

Almost surely, 2^109438711439 is an apocalyptic number.

109438711439 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

109438711439 is a deficient number, since it is larger than the sum of its proper divisors (5759932201).

109438711439 is an equidigital number, since it uses as much as digits as its factorization.

109438711439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5759932200.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 109438711439 in words is "one hundred nine billion, four hundred thirty-eight million, seven hundred eleven thousand, four hundred thirty-nine".