2145201533663 has 8 divisors (see below), whose sum is σ = 2330949035520. Its totient is φ = 1966738247640.

The previous prime is 2145201533641. The next prime is 2145201533743. The reversal of 2145201533663 is 3663351025412.

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

It is a cyclic number.

It is not a de Polignac number, because 2145201533663 - 2³⁶ = 2076482056927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2145201533663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145201530663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1821053345 + ... + 1821054522.

It is an arithmetic number, because the mean of its divisors is an integer number (291368629440).

Almost surely, 2^{2145201533663} is an apocalyptic number.

2145201533663 is a deficient number, since it is larger than the sum of its proper divisors (185747501857).

2145201533663 is a wasteful number, since it uses less digits than its factorization.

2145201533663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642107917.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 2145201533663 in words is "two trillion, one hundred forty-five billion, two hundred one million, five hundred thirty-three thousand, six hundred sixty-three".