63755775541 has 2 divisors, whose sum is σ = 63755775542. Its totient is φ = 63755775540.

The previous prime is 63755775511. The next prime is 63755775547. The reversal of 63755775541 is 14557755736.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45785300625 + 17970474916 = 213975^2 + 134054^2 .

It is a cyclic number.

It is not a de Polignac number, because 63755775541 - 2¹³ = 63755767349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63755775547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31877887770 + 31877887771.

It is an arithmetic number, because the mean of its divisors is an integer number (31877887771).

Almost surely, 2^63755775541 is an apocalyptic number.

It is an amenable number.

63755775541 is a deficient number, since it is larger than the sum of its proper divisors (1).

63755775541 is an equidigital number, since it uses as much as digits as its factorization.

63755775541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15435000, while the sum is 55.

The spelling of 63755775541 in words is "sixty-three billion, seven hundred fifty-five million, seven hundred seventy-five thousand, five hundred forty-one".