4305763048921 has 2 divisors, whose sum is σ = 4305763048922. Its totient is φ = 4305763048920.

The previous prime is 4305763048871. The next prime is 4305763048963. The reversal of 4305763048921 is 1298403675034.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3995157466521 + 310605582400 = 1998789^2 + 557320^2 .

It is a cyclic number.

It is not a de Polignac number, because 4305763048921 - 2³⁵ = 4271403310553 is a prime.

It is not a weakly prime, because it can be changed into another prime (4305763048981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2152881524460 + 2152881524461.

It is an arithmetic number, because the mean of its divisors is an integer number (2152881524461).

It is a 1-persistent number, because it is pandigital, but 2⋅4305763048921 = 8611526097842 is not.

Almost surely, 2^{4305763048921} is an apocalyptic number.

It is an amenable number.

4305763048921 is a deficient number, since it is larger than the sum of its proper divisors (1).

4305763048921 is an equidigital number, since it uses as much as digits as its factorization.

4305763048921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 4305763048921 in words is "four trillion, three hundred five billion, seven hundred sixty-three million, forty-eight thousand, nine hundred twenty-one".