1871284743996 has 48 divisors (see below), whose sum is σ = 4380821440800. Its totient is φ = 621693146880.

The previous prime is 1871284743983. The next prime is 1871284744057. The reversal of 1871284743996 is 6993474821781.

It is a super-2 number, since 2×1871284743996² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1871284743996.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9268686 + ... + 9468426.

It is an arithmetic number, because the mean of its divisors is an integer number (91267113350).

Almost surely, 2^{1871284743996} is an apocalyptic number.

It is an amenable number.

1871284743996 is an abundant number, since it is smaller than the sum of its proper divisors (2509536696804).

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

1871284743996 is a wasteful number, since it uses less digits than its factorization.

1871284743996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202334 (or 202332 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 69.

The spelling of 1871284743996 in words is "one trillion, eight hundred seventy-one billion, two hundred eighty-four million, seven hundred forty-three thousand, nine hundred ninety-six".