1973860617736 has 64 divisors (see below), whose sum is σ = 4335895630080. Its totient is φ = 824730270720.

The previous prime is 1973860617709. The next prime is 1973860617737. The reversal of 1973860617736 is 6377160683791.

It is a super-2 number, since 2×1973860617736² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1973860617737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2990205 + ... + 3590131.

It is an arithmetic number, because the mean of its divisors is an integer number (67748369220).

Almost surely, 2^{1973860617736} 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 1973860617736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2167947815040).

1973860617736 is an abundant number, since it is smaller than the sum of its proper divisors (2362035012344).

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

1973860617736 is a wasteful number, since it uses less digits than its factorization.

1973860617736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601414 (or 601410 counting only the distinct ones).

The product of its (nonzero) digits is 48009024, while the sum is 64.

The spelling of 1973860617736 in words is "one trillion, nine hundred seventy-three billion, eight hundred sixty million, six hundred seventeen thousand, seven hundred thirty-six".