3861780669350 has 24 divisors (see below), whose sum is σ = 7304656322520. Its totient is φ = 1518530702720.

The previous prime is 3861780669337. The next prime is 3861780669359. The reversal of 3861780669350 is 539660871683.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861780669359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 654536147 + ... + 654542046.

It is an arithmetic number, because the mean of its divisors is an integer number (304360680105).

Almost surely, 2^{3861780669350} is an apocalyptic number.

3861780669350 is a deficient number, since it is larger than the sum of its proper divisors (3442875653170).

3861780669350 is a wasteful number, since it uses less digits than its factorization.

3861780669350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309078264 (or 1309078259 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 3861780669350 in words is "three trillion, eight hundred sixty-one billion, seven hundred eighty million, six hundred sixty-nine thousand, three hundred fifty".