3520416411649 has 8 divisors (see below), whose sum is σ = 3560327912232. Its totient is φ = 3480729765120.

The previous prime is 3520416411647. The next prime is 3520416411671. The reversal of 3520416411649 is 9461146140253.

It can be written as a sum of positive squares in 4 ways, for example, as 52627571649 + 3467788840000 = 229407^2 + 1862200^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3520416411649 - 2¹ = 3520416411647 is a prime.

It is a super-2 number, since 2×3520416411649² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3520416411599 and 3520416411608.

It is not an unprimeable number, because it can be changed into a prime (3520416411641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56182024 + ... + 56244649.

It is an arithmetic number, because the mean of its divisors is an integer number (445040989029).

Almost surely, 2^{3520416411649} is an apocalyptic number.

It is an amenable number.

3520416411649 is a deficient number, since it is larger than the sum of its proper divisors (39911500583).

3520416411649 is a wasteful number, since it uses less digits than its factorization.

3520416411649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112427027.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 3520416411649 in words is "three trillion, five hundred twenty billion, four hundred sixteen million, four hundred eleven thousand, six hundred forty-nine".