3544109320081 has 4 divisors (see below), whose sum is σ = 3866301076464. Its totient is φ = 3221917563700.

The previous prime is 3544109320039. The next prime is 3544109320099. The reversal of 3544109320081 is 1800239014453.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3544109320081 - 2⁷ = 3544109319953 is a prime.

It is a super-2 number, since 2×3544109320081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3544109320021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161095878175 + ... + 161095878196.

It is an arithmetic number, because the mean of its divisors is an integer number (966575269116).

Almost surely, 2^{3544109320081} is an apocalyptic number.

It is an amenable number.

3544109320081 is a deficient number, since it is larger than the sum of its proper divisors (322191756383).

3544109320081 is a wasteful number, since it uses less digits than its factorization.

3544109320081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322191756382.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 3544109320081 in words is "three trillion, five hundred forty-four billion, one hundred nine million, three hundred twenty thousand, eighty-one".