3443045145521 has 4 divisors (see below), whose sum is σ = 3443208988452. Its totient is φ = 3442881302592.

The previous prime is 3443045145503. The next prime is 3443045145559. The reversal of 3443045145521 is 1255415403443.

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 101786521600 + 3341258623921 = 319040^2 + 1827911^2 .

It is a cyclic number.

It is not a de Polignac number, because 3443045145521 - 2⁶ = 3443045145457 is a prime.

It is a super-2 number, since 2×3443045145521² (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 (3443005145521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81889940 + ... + 81931973.

It is an arithmetic number, because the mean of its divisors is an integer number (860802247113).

Almost surely, 2^{3443045145521} is an apocalyptic number.

It is an amenable number.

3443045145521 is a deficient number, since it is larger than the sum of its proper divisors (163842931).

3443045145521 is a wasteful number, since it uses less digits than its factorization.

3443045145521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163842930.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 3443045145521 in words is "three trillion, four hundred forty-three billion, forty-five million, one hundred forty-five thousand, five hundred twenty-one".