3655240006851 has 8 divisors (see below), whose sum is σ = 5415170380560. Its totient is φ = 2436826671216.

The previous prime is 3655240006819. The next prime is 3655240006907. The reversal of 3655240006851 is 1586000425563.

3655240006851 is a `hidden beast` number, since 3 + 6 + 552 + 40 + 0 + 0 + 6 + 8 + 51 = 666.

It is not a de Polignac number, because 3655240006851 - 2⁵ = 3655240006819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3655240006797 and 3655240006806.

It is not an unprimeable number, because it can be changed into a prime (3655240006151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67689629730 + ... + 67689629783.

It is an arithmetic number, because the mean of its divisors is an integer number (676896297570).

Almost surely, 2^{3655240006851} is an apocalyptic number.

3655240006851 is a deficient number, since it is larger than the sum of its proper divisors (1759930373709).

3655240006851 is a wasteful number, since it uses less digits than its factorization.

3655240006851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135379259522 (or 135379259516 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 3655240006851 in words is "three trillion, six hundred fifty-five billion, two hundred forty million, six thousand, eight hundred fifty-one".