2199654779952 has 160 divisors (see below), whose sum is σ = 6896517880320. Its totient is φ = 590126100480.

The previous prime is 2199654779909. The next prime is 2199654780031. The reversal of 2199654779952 is 2599774569912.

It is a super-2 number, since 2×2199654779952² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 803199 + ... + 2245982.

It is an arithmetic number, because the mean of its divisors is an integer number (43103236752).

Almost surely, 2^{2199654779952} is an apocalyptic number.

It is an amenable number.

2199654779952 is an abundant number, since it is smaller than the sum of its proper divisors (4696863100368).

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

2199654779952 is a wasteful number, since it uses less digits than its factorization.

2199654779952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049331 (or 3049325 counting only the distinct ones).

The product of its digits is 771573600, while the sum is 75.

The spelling of 2199654779952 in words is "two trillion, one hundred ninety-nine billion, six hundred fifty-four million, seven hundred seventy-nine thousand, nine hundred fifty-two".