2109498245600 has 72 divisors (see below), whose sum is σ = 5178582846360. Its totient is φ = 839085278720.

The previous prime is 2109498245567. The next prime is 2109498245609. The reversal of 2109498245600 is 65428949012.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109498245609) 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, 7222367 + ... + 7508766.

It is an arithmetic number, because the mean of its divisors is an integer number (71924761755).

Almost surely, 2^{2109498245600} is an apocalyptic number.

2109498245600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2109498245600 is an abundant number, since it is smaller than the sum of its proper divisors (3069084600760).

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

2109498245600 is a wasteful number, since it uses less digits than its factorization.

2109498245600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14731332 (or 14731319 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 2109498245600 in words is "two trillion, one hundred nine billion, four hundred ninety-eight million, two hundred forty-five thousand, six hundred".