6403761053 has 2 divisors, whose sum is σ = 6403761054. Its totient is φ = 6403761052.

The previous prime is 6403761031. The next prime is 6403761097. The reversal of 6403761053 is 3501673046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6074955364 + 328805689 = 77942^2 + 18133^2 .

It is a cyclic number.

It is not a de Polignac number, because 6403761053 - 2⁶ = 6403760989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6403763053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3201880526 + 3201880527.

It is an arithmetic number, because the mean of its divisors is an integer number (3201880527).

Almost surely, 2^6403761053 is an apocalyptic number.

It is an amenable number.

6403761053 is a deficient number, since it is larger than the sum of its proper divisors (1).

6403761053 is an equidigital number, since it uses as much as digits as its factorization.

6403761053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 6403761053 is about 80023.5031287684. The cubic root of 6403761053 is about 1856.9991551754. Note that the first 3 decimals are identical.

The spelling of 6403761053 in words is "six billion, four hundred three million, seven hundred sixty-one thousand, fifty-three".