3781889629630 has 32 divisors (see below), whose sum is σ = 7779957212160. Its totient is φ = 1296636210720.

The previous prime is 3781889629613. The next prime is 3781889629633. The reversal of 3781889629630 is 369269881873.

It is a Harshad number since it is a multiple of its sum of digits (70).

It is a self number, because there is not a number n which added to its sum of digits gives 3781889629630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781889629633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11898475 + ... + 12212185.

It is an arithmetic number, because the mean of its divisors is an integer number (243123662880).

Almost surely, 2^{3781889629630} is an apocalyptic number.

3781889629630 is an abundant number, since it is smaller than the sum of its proper divisors (3998067582530).

3781889629630 is a wasteful number, since it uses less digits than its factorization.

3781889629630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485944.

The product of its (nonzero) digits is 188116992, while the sum is 70.

The spelling of 3781889629630 in words is "three trillion, seven hundred eighty-one billion, eight hundred eighty-nine million, six hundred twenty-nine thousand, six hundred thirty".