2124009817798 has 32 divisors (see below), whose sum is σ = 3486796346880. Its totient is φ = 962367252000.

The previous prime is 2124009817789. The next prime is 2124009817871. The reversal of 2124009817798 is 8977189004212.

It is a super-2 number, since 2×2124009817798² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11253768 + ... + 11440948.

It is an arithmetic number, because the mean of its divisors is an integer number (108962385840).

Almost surely, 2^{2124009817798} is an apocalyptic number.

2124009817798 is a deficient number, since it is larger than the sum of its proper divisors (1362786529082).

2124009817798 is a wasteful number, since it uses less digits than its factorization.

2124009817798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188844.

The product of its (nonzero) digits is 4064256, while the sum is 58.

The spelling of 2124009817798 in words is "two trillion, one hundred twenty-four billion, nine million, eight hundred seventeen thousand, seven hundred ninety-eight".