3561645672302 has 16 divisors (see below), whose sum is σ = 5490334624560. Its totient is φ = 1731595097088.

The previous prime is 3561645672257. The next prime is 3561645672329. The reversal of 3561645672302 is 2032765461653.

It is a congruent number.

It is an unprimeable number.

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, 15123923 + ... + 15357614.

It is an arithmetic number, because the mean of its divisors is an integer number (343145914035).

Almost surely, 2^{3561645672302} is an apocalyptic number.

3561645672302 is a deficient number, since it is larger than the sum of its proper divisors (1928688952258).

3561645672302 is a wasteful number, since it uses less digits than its factorization.

3561645672302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30483155.

The product of its (nonzero) digits is 5443200, while the sum is 50.

The spelling of 3561645672302 in words is "three trillion, five hundred sixty-one billion, six hundred forty-five million, six hundred seventy-two thousand, three hundred two".