2118969828976 has 480 divisors, whose sum is σ = 5725996012800. Its totient is φ = 746505768960.

The previous prime is 2118969828961. The next prime is 2118969829019. The reversal of 2118969828976 is 6798289698112.

It is a happy number.

It is a super-2 number, since 2×2118969828976² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (76) coincides with the sum of the digits of its prime factors.

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, 3724024020 + ... + 3724024588.

It is an arithmetic number, because the mean of its divisors is an integer number (11929158360).

Almost surely, 2^{2118969828976} is an apocalyptic number.

2118969828976 is a gapful number since it is divisible by the number (26) 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 2118969828976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2862998006400).

2118969828976 is an abundant number, since it is smaller than the sum of its proper divisors (3607026183824).

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

2118969828976 is a wasteful number, since it uses less digits than its factorization.

2118969828976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237 (or 1224 counting only the distinct ones).

The product of its digits is 376233984, while the sum is 76.

The spelling of 2118969828976 in words is "two trillion, one hundred eighteen billion, nine hundred sixty-nine million, eight hundred twenty-eight thousand, nine hundred seventy-six".