3778189740749 has 8 divisors (see below), whose sum is σ = 3942482258880. Its totient is φ = 3613899172576.

The previous prime is 3778189740709. The next prime is 3778189740757. The reversal of 3778189740749 is 9470479818773.

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 3778189740749 - 2³⁶ = 3709470264013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778189740709) 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, 4603022 + ... + 5361360.

It is an arithmetic number, because the mean of its divisors is an integer number (492810282360).

Almost surely, 2^{3778189740749} is an apocalyptic number.

It is an amenable number.

3778189740749 is a deficient number, since it is larger than the sum of its proper divisors (164292518131).

3778189740749 is a wasteful number, since it uses less digits than its factorization.

3778189740749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974979.

The product of its (nonzero) digits is 597445632, while the sum is 74.

The spelling of 3778189740749 in words is "three trillion, seven hundred seventy-eight billion, one hundred eighty-nine million, seven hundred forty thousand, seven hundred forty-nine".