3249605351538 has 72 divisors (see below), whose sum is σ = 8820357413868. Its totient is φ = 857038771008.

The previous prime is 3249605351527. The next prime is 3249605351549. The reversal of 3249605351538 is 8351535069423.

3249605351538 is a `hidden beast` number, since 3 + 2 + 4 + 9 + 6 + 0 + 53 + 51 + 538 = 666.

3249605351538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3249605351527) and next prime (3249605351549).

It can be written as a sum of positive squares in 2 ways, for example, as 3220578392409 + 29026959129 = 1794597^2 + 170373^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 141694681 + ... + 141717612.

Almost surely, 2^{3249605351538} is an apocalyptic number.

3249605351538 is an abundant number, since it is smaller than the sum of its proper divisors (5570752062330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3249605351538 is a wasteful number, since it uses less digits than its factorization.

3249605351538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283412328 (or 283412318 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

The spelling of 3249605351538 in words is "three trillion, two hundred forty-nine billion, six hundred five million, three hundred fifty-one thousand, five hundred thirty-eight".