2173738174460 has 96 divisors (see below), whose sum is σ = 4913080220160. Its totient is φ = 805332333312.

The previous prime is 2173738174459. The next prime is 2173738174507. The reversal of 2173738174460 is 644718373712.

It is a super-2 number, since 2×2173738174460² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5508929 + ... + 5890311.

It is an arithmetic number, because the mean of its divisors is an integer number (51177918960).

Almost surely, 2^{2173738174460} is an apocalyptic number.

2173738174460 is a gapful number since it is divisible by the number (20) 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 2173738174460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2456540110080).

2173738174460 is an abundant number, since it is smaller than the sum of its proper divisors (2739342045700).

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

2173738174460 is a wasteful number, since it uses less digits than its factorization.

2173738174460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381747 (or 381745 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 53.

The spelling of 2173738174460 in words is "two trillion, one hundred seventy-three billion, seven hundred thirty-eight million, one hundred seventy-four thousand, four hundred sixty".