3780938620636 has 12 divisors (see below), whose sum is σ = 6830082669760. Its totient is φ = 1829486429280.

The previous prime is 3780938620559. The next prime is 3780938620681. The reversal of 3780938620636 is 6360268390873.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15245720121 + ... + 15245720368.

Almost surely, 2^{3780938620636} is an apocalyptic number.

It is an amenable number.

3780938620636 is a deficient number, since it is larger than the sum of its proper divisors (3049144049124).

3780938620636 is a wasteful number, since it uses less digits than its factorization.

3780938620636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30491440524 (or 30491440522 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 61.

The spelling of 3780938620636 in words is "three trillion, seven hundred eighty billion, nine hundred thirty-eight million, six hundred twenty thousand, six hundred thirty-six".