3655802785051 has 2 divisors, whose sum is σ = 3655802785052. Its totient is φ = 3655802785050.

The previous prime is 3655802785031. The next prime is 3655802785247. The reversal of 3655802785051 is 1505872085563.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3655802785051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3655802784983 and 3655802785001.

It is not a weakly prime, because it can be changed into another prime (3655802785031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1827901392525 + 1827901392526.

It is an arithmetic number, because the mean of its divisors is an integer number (1827901392526).

Almost surely, 2^{3655802785051} is an apocalyptic number.

3655802785051 is a deficient number, since it is larger than the sum of its proper divisors (1).

3655802785051 is an equidigital number, since it uses as much as digits as its factorization.

3655802785051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080000, while the sum is 55.

The spelling of 3655802785051 in words is "three trillion, six hundred fifty-five billion, eight hundred two million, seven hundred eighty-five thousand, fifty-one".