2148971185926 has 24 divisors (see below), whose sum is σ = 4656359284824. Its totient is φ = 716284490400.

The previous prime is 2148971185919. The next prime is 2148971185927. The reversal of 2148971185926 is 6295811798412.

2148971185926 is a `hidden beast` number, since 2 + 1 + 489 + 71 + 1 + 85 + 9 + 2 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148971185927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2931175 + ... + 3590226.

It is an arithmetic number, because the mean of its divisors is an integer number (194014970201).

Almost surely, 2^{2148971185926} is an apocalyptic number.

2148971185926 is an abundant number, since it is smaller than the sum of its proper divisors (2507388098898).

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

2148971185926 is a wasteful number, since it uses less digits than its factorization.

2148971185926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6539716 (or 6539713 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 63.

The spelling of 2148971185926 in words is "two trillion, one hundred forty-eight billion, nine hundred seventy-one million, one hundred eighty-five thousand, nine hundred twenty-six".