1789612857372 has 192 divisors, whose sum is σ = 4575248384000. Its totient is φ = 542360136960.

The previous prime is 1789612857343. The next prime is 1789612857379. The reversal of 1789612857372 is 2737582169871.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1789612857379) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 436595379 + ... + 436599477.

Almost surely, 2^{1789612857372} is an apocalyptic number.

1789612857372 is a gapful number since it is divisible by the number (12) 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 1789612857372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2287624192000).

1789612857372 is an abundant number, since it is smaller than the sum of its proper divisors (2785635526628).

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

1789612857372 is a wasteful number, since it uses less digits than its factorization.

1789612857372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656 (or 4654 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 66.

The spelling of 1789612857372 in words is "one trillion, seven hundred eighty-nine billion, six hundred twelve million, eight hundred fifty-seven thousand, three hundred seventy-two".