6194149812864 has 768 divisors, whose sum is σ = 20868505257600. Its totient is φ = 1815956029440.

The previous prime is 6194149812857. The next prime is 6194149812871. The reversal of 6194149812864 is 4682189414916.

6194149812864 is a `hidden beast` number, since 6 + 1 + 9 + 414 + 98 + 128 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (6194149812857) and next prime (6194149812871).

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

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, 712868232 + ... + 712876920.

Almost surely, 2^{6194149812864} is an apocalyptic number.

6194149812864 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6194149812864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10434252628800).

6194149812864 is an abundant number, since it is smaller than the sum of its proper divisors (14674355444736).

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

6194149812864 is a wasteful number, since it uses less digits than its factorization.

6194149812864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8815 (or 8791 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 63.

The spelling of 6194149812864 in words is "six trillion, one hundred ninety-four billion, one hundred forty-nine million, eight hundred twelve thousand, eight hundred sixty-four".