3520423111049 has 16 divisors (see below), whose sum is σ = 3922095658320. Its totient is φ = 3137454324480.

The previous prime is 3520423111031. The next prime is 3520423111061. The reversal of 3520423111049 is 9401113240253.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 500237925625 + 3020185185424 = 707275^2 + 1737868^2 .

It is a cyclic number.

It is not a de Polignac number, because 3520423111049 - 2⁸ = 3520423110793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3520423111099) 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, 11605499 + ... + 11904975.

It is an arithmetic number, because the mean of its divisors is an integer number (245130978645).

Almost surely, 2^{3520423111049} is an apocalyptic number.

It is an amenable number.

3520423111049 is a deficient number, since it is larger than the sum of its proper divisors (401672547271).

3520423111049 is a wasteful number, since it uses less digits than its factorization.

3520423111049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330700.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 3520423111049 in words is "three trillion, five hundred twenty billion, four hundred twenty-three million, one hundred eleven thousand, forty-nine".