386561734850 has 24 divisors (see below), whose sum is σ = 750265908480. Its totient is φ = 147901880720.

The previous prime is 386561734837. The next prime is 386561734883. The reversal of 386561734850 is 58437165683.

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 11 ways as a sum of consecutive naturals, for example, 168069170 + ... + 168071469.

It is an arithmetic number, because the mean of its divisors is an integer number (31261079520).

Almost surely, 2^386561734850 is an apocalyptic number.

386561734850 is a deficient number, since it is larger than the sum of its proper divisors (363704173630).

386561734850 is a wasteful number, since it uses less digits than its factorization.

386561734850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336140674 (or 336140669 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 386561734850 in words is "three hundred eighty-six billion, five hundred sixty-one million, seven hundred thirty-four thousand, eight hundred fifty".