2122053601645 has 8 divisors (see below), whose sum is σ = 2546607080160. Its totient is φ = 1697547709200.

The previous prime is 2122053601607. The next prime is 2122053601663. The reversal of 2122053601645 is 5461063502212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2122053601645 - 2²⁷ = 2121919383917 is a prime.

It is a super-3 number, since 3×2122053601645³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11798335 + ... + 11976844.

It is an arithmetic number, because the mean of its divisors is an integer number (318325885020).

Almost surely, 2^{2122053601645} is an apocalyptic number.

It is an amenable number.

2122053601645 is a deficient number, since it is larger than the sum of its proper divisors (424553478515).

2122053601645 is a wasteful number, since it uses less digits than its factorization.

2122053601645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23793035.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 2122053601645 in words is "two trillion, one hundred twenty-two billion, fifty-three million, six hundred one thousand, six hundred forty-five".