1942973143560 has 160 divisors (see below), whose sum is σ = 6546838656600. Its totient is φ = 516833740800.

The previous prime is 1942973143537. The next prime is 1942973143561. The reversal of 1942973143560 is 653413792491.

1942973143560 is a `hidden beast` number, since 1 + 9 + 4 + 2 + 9 + 7 + 31 + 43 + 560 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1657156737636 + 285816405924 = 1287306^2 + 534618^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1942973143497 and 1942973143506.

It is not an unprimeable number, because it can be changed into a prime (1942973143561) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 551506 + ... + 2046974.

Almost surely, 2^{1942973143560} is an apocalyptic number.

1942973143560 is a gapful number since it is divisible by the number (10) 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 1942973143560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3273419328300).

1942973143560 is an abundant number, since it is smaller than the sum of its proper divisors (4603865513040).

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

1942973143560 is a wasteful number, since it uses less digits than its factorization.

1942973143560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495893 (or 1495880 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 1942973143560 in words is "one trillion, nine hundred forty-two billion, nine hundred seventy-three million, one hundred forty-three thousand, five hundred sixty".