4774645616412 has 96 divisors (see below), whose sum is σ = 13045906589184. Its totient is φ = 1330608384000.

The previous prime is 4774645616401. The next prime is 4774645616413. The reversal of 4774645616412 is 2146165464774.

It is a happy number.

It is a super-3 number, since 3×4774645616412³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4774645616413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15173508 + ... + 15484980.

It is an arithmetic number, because the mean of its divisors is an integer number (135894860304).

Almost surely, 2^{4774645616412} is an apocalyptic number.

4774645616412 is a gapful number since it is divisible by the number (42) 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 4774645616412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6522953294592).

4774645616412 is an abundant number, since it is smaller than the sum of its proper divisors (8271260972772).

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

4774645616412 is a wasteful number, since it uses less digits than its factorization.

4774645616412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315979 (or 315977 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 57.

The spelling of 4774645616412 in words is "four trillion, seven hundred seventy-four billion, six hundred forty-five million, six hundred sixteen thousand, four hundred twelve".