3492520539561 has 12 divisors (see below), whose sum is σ = 5044822726788. Its totient is φ = 2328314332704.

The previous prime is 3492520539551. The next prime is 3492520539569. The reversal of 3492520539561 is 1659350252943.

3492520539561 is a `hidden beast` number, since 3 + 4 + 9 + 2 + 5 + 20 + 53 + 9 + 561 = 666.

3492520539561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1653459085161 + 1839061454400 = 1285869^2 + 1356120^2 .

It is not a de Polignac number, because 3492520539561 - 2⁷ = 3492520539433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3492520539498 and 3492520539507.

It is not an unprimeable number, because it can be changed into a prime (3492520539569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2038830 + ... + 3337943.

It is an arithmetic number, because the mean of its divisors is an integer number (420401893899).

Almost surely, 2^{3492520539561} is an apocalyptic number.

It is an amenable number.

3492520539561 is a deficient number, since it is larger than the sum of its proper divisors (1552302187227).

3492520539561 is a wasteful number, since it uses less digits than its factorization.

3492520539561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5448952 (or 5448949 counting only the distinct ones).

The product of its (nonzero) digits is 8748000, while the sum is 54.

The spelling of 3492520539561 in words is "three trillion, four hundred ninety-two billion, five hundred twenty million, five hundred thirty-nine thousand, five hundred sixty-one".