2175221052763 has 32 divisors (see below), whose sum is σ = 2489192570880. Its totient is φ = 1881543824160.

The previous prime is 2175221052757. The next prime is 2175221052841. The reversal of 2175221052763 is 3672501225712.

It is not a de Polignac number, because 2175221052763 - 2⁵ = 2175221052731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2175221052743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57243256 + ... + 57281242.

It is an arithmetic number, because the mean of its divisors is an integer number (77787267840).

Almost surely, 2^{2175221052763} is an apocalyptic number.

2175221052763 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2175221052763 is a deficient number, since it is larger than the sum of its proper divisors (313971518117).

2175221052763 is a wasteful number, since it uses less digits than its factorization.

2175221052763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39207.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 2175221052763 in words is "two trillion, one hundred seventy-five billion, two hundred twenty-one million, fifty-two thousand, seven hundred sixty-three".