3974970069378 has 192 divisors, whose sum is σ = 10888221007872. Its totient is φ = 1017984464640.

The previous prime is 3974970069337. The next prime is 3974970069397. The reversal of 3974970069378 is 8739600794793.

3974970069378 is a `hidden beast` number, since 3 + 9 + 7 + 497 + 0 + 0 + 69 + 3 + 78 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 514688625 + ... + 514696347.

It is an arithmetic number, because the mean of its divisors is an integer number (56709484416).

Almost surely, 2^{3974970069378} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3974970069378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5444110503936).

3974970069378 is an abundant number, since it is smaller than the sum of its proper divisors (6913250938494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3974970069378 is a wasteful number, since it uses less digits than its factorization.

3974970069378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12909 (or 12906 counting only the distinct ones).

The product of its (nonzero) digits is 432081216, while the sum is 72.

The spelling of 3974970069378 in words is "three trillion, nine hundred seventy-four billion, nine hundred seventy million, sixty-nine thousand, three hundred seventy-eight".