1896945684270 has 256 divisors, whose sum is σ = 5746741862400. Its totient is φ = 398197513728.

The previous prime is 1896945684239. The next prime is 1896945684289. The reversal of 1896945684270 is 724865496981.

It is a junction number, because it is equal to n+sod(n) for n = 1896945684195 and 1896945684204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 26316699 + ... + 26388681.

It is an arithmetic number, because the mean of its divisors is an integer number (22448210400).

Almost surely, 2^{1896945684270} is an apocalyptic number.

1896945684270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1896945684270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2873370931200).

1896945684270 is an abundant number, since it is smaller than the sum of its proper divisors (3849796178130).

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

1896945684270 is a wasteful number, since it uses less digits than its factorization.

1896945684270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72224 (or 72210 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 69.

The spelling of 1896945684270 in words is "one trillion, eight hundred ninety-six billion, nine hundred forty-five million, six hundred eighty-four thousand, two hundred seventy".