3778069996189 has 8 divisors (see below), whose sum is σ = 3890154766680. Its totient is φ = 3666510213696.

The previous prime is 3778069996177. The next prime is 3778069996193. The reversal of 3778069996189 is 9816999608773.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 106504322500 + 3671565673689 = 326350^2 + 1916133^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3778069996189 - 2¹³ = 3778069987997 is a prime.

It is a super-2 number, since 2×3778069996189² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778069996889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131232394 + ... + 131261179.

It is an arithmetic number, because the mean of its divisors is an integer number (486269345835).

Almost surely, 2^{3778069996189} is an apocalyptic number.

It is an amenable number.

3778069996189 is a deficient number, since it is larger than the sum of its proper divisors (112084770491).

3778069996189 is a wasteful number, since it uses less digits than its factorization.

3778069996189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262493999.

The product of its (nonzero) digits is 2222131968, while the sum is 82.

The spelling of 3778069996189 in words is "three trillion, seven hundred seventy-eight billion, sixty-nine million, nine hundred ninety-six thousand, one hundred eighty-nine".