3528405377685 has 64 divisors (see below), whose sum is σ = 6452469020160. Its totient is φ = 1828052997120.

The previous prime is 3528405377683. The next prime is 3528405377699. The reversal of 3528405377685 is 5867735048253.

3528405377685 is a `hidden beast` number, since 3 + 5 + 28 + 4 + 0 + 537 + 76 + 8 + 5 = 666.

It is not a de Polignac number, because 3528405377685 - 2¹ = 3528405377683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3528405377683) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2592109 + ... + 3711581.

It is an arithmetic number, because the mean of its divisors is an integer number (100819828440).

Almost surely, 2^{3528405377685} is an apocalyptic number.

It is an amenable number.

3528405377685 is a deficient number, since it is larger than the sum of its proper divisors (2924063642475).

3528405377685 is a wasteful number, since it uses less digits than its factorization.

3528405377685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120155 (or 1120149 counting only the distinct ones).

The product of its (nonzero) digits is 169344000, while the sum is 63.

The spelling of 3528405377685 in words is "three trillion, five hundred twenty-eight billion, four hundred five million, three hundred seventy-seven thousand, six hundred eighty-five".