3994296070464 has 210 divisors, whose sum is σ = 13356293133690. Its totient is φ = 1141227053568.

The previous prime is 3994296070459. The next prime is 3994296070469. The reversal of 3994296070464 is 4640706924993.

3994296070464 is a `hidden beast` number, since 3 + 9 + 9 + 42 + 9 + 60 + 70 + 464 = 666.

It is an interprime number because it is at equal distance from previous prime (3994296070459) and next prime (3994296070469).

It can be written as a sum of positive squares in only one way, i.e., 3041563904064 + 952732166400 = 1744008^2 + 976080^2 .

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3994296070469) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 61119 + ... + 2827070.

Almost surely, 2^{3994296070464} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3994296070464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6678146566845).

3994296070464 is an abundant number, since it is smaller than the sum of its proper divisors (9361997063226).

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

3994296070464 is an equidigital number, since it uses as much as digits as its factorization.

3994296070464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888235 (or 2888201 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 63.

The spelling of 3994296070464 in words is "three trillion, nine hundred ninety-four billion, two hundred ninety-six million, seventy thousand, four hundred sixty-four".