1838963948910 has 192 divisors, whose sum is σ = 5002084813824. Its totient is φ = 428916217600.

The previous prime is 1838963948903. The next prime is 1838963948933. The reversal of 1838963948910 is 198493698381.

It is a super-2 number, since 2×1838963948910² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 53973280 + ... + 54007340.

It is an arithmetic number, because the mean of its divisors is an integer number (26052525072).

Almost surely, 2^{1838963948910} is an apocalyptic number.

1838963948910 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 1838963948910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2501042406912).

1838963948910 is an abundant number, since it is smaller than the sum of its proper divisors (3163120864914).

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

1838963948910 is a wasteful number, since it uses less digits than its factorization.

1838963948910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34247 (or 34188 counting only the distinct ones).

The product of its (nonzero) digits is 80621568, while the sum is 69.

The spelling of 1838963948910 in words is "one trillion, eight hundred thirty-eight billion, nine hundred sixty-three million, nine hundred forty-eight thousand, nine hundred ten".