63706745041 has 2 divisors, whose sum is σ = 63706745042. Its totient is φ = 63706745040.

The previous prime is 63706744949. The next prime is 63706745099. The reversal of 63706745041 is 14054760736.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58505450641 + 5201294400 = 241879^2 + 72120^2 .

It is a cyclic number.

It is not a de Polignac number, because 63706745041 - 2²¹ = 63704647889 is a prime.

It is not a weakly prime, because it can be changed into another prime (63706745341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31853372520 + 31853372521.

It is an arithmetic number, because the mean of its divisors is an integer number (31853372521).

Almost surely, 2^63706745041 is an apocalyptic number.

It is an amenable number.

63706745041 is a deficient number, since it is larger than the sum of its proper divisors (1).

63706745041 is an equidigital number, since it uses as much as digits as its factorization.

63706745041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 63706745041 in words is "sixty-three billion, seven hundred six million, seven hundred forty-five thousand, forty-one".