4771954321002 has 128 divisors (see below), whose sum is σ = 11755560672000. Its totient is φ = 1422745482240.

The previous prime is 4771954320989. The next prime is 4771954321019. The reversal of 4771954321002 is 2001234591774.

4771954321002 is a `hidden beast` number, since 4 + 77 + 19 + 543 + 21 + 0 + 0 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17600524 + ... + 17869592.

It is an arithmetic number, because the mean of its divisors is an integer number (91840317750).

Almost surely, 2^{4771954321002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4771954321002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5877780336000).

4771954321002 is an abundant number, since it is smaller than the sum of its proper divisors (6983606350998).

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

4771954321002 is a wasteful number, since it uses less digits than its factorization.

4771954321002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269573 (or 269567 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 4771954321002 in words is "four trillion, seven hundred seventy-one billion, nine hundred fifty-four million, three hundred twenty-one thousand, two".