2121650360263 has 8 divisors (see below), whose sum is σ = 2426298600960. Its totient is φ = 1817390952600.

The previous prime is 2121650360257. The next prime is 2121650360309. The reversal of 2121650360263 is 3620630561212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121650360263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121650360213) 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, 97196563 + ... + 97218388.

It is an arithmetic number, because the mean of its divisors is an integer number (303287325120).

Almost surely, 2^{2121650360263} is an apocalyptic number.

2121650360263 is a deficient number, since it is larger than the sum of its proper divisors (304648240697).

2121650360263 is a wasteful number, since it uses less digits than its factorization.

2121650360263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194416517.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 2121650360263 in words is "two trillion, one hundred twenty-one billion, six hundred fifty million, three hundred sixty thousand, two hundred sixty-three".