3774219732864 has 384 divisors, whose sum is σ = 12892510874880. Its totient is φ = 1076626391040.

The previous prime is 3774219732839. The next prime is 3774219732883. The reversal of 3774219732864 is 4682379124773.

3774219732864 is a `hidden beast` number, since 3 + 7 + 74 + 219 + 73 + 286 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139550127 + ... + 139577169.

It is an arithmetic number, because the mean of its divisors is an integer number (33574247070).

Almost surely, 2^{3774219732864} 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 3774219732864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6446255437440).

3774219732864 is an abundant number, since it is smaller than the sum of its proper divisors (9118291142016).

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

3774219732864 is an equidigital number, since it uses as much as digits as its factorization.

3774219732864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27720 (or 27696 counting only the distinct ones).

The product of its digits is 85349376, while the sum is 63.

The spelling of 3774219732864 in words is "three trillion, seven hundred seventy-four billion, two hundred nineteen million, seven hundred thirty-two thousand, eight hundred sixty-four".