63706745099 has 2 divisors, whose sum is σ = 63706745100. Its totient is φ = 63706745098.

The previous prime is 63706745041. The next prime is 63706745107. The reversal of 63706745099 is 99054760736.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63706745099 is a prime.

It is a super-2 number, since 2×63706745099² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63706705099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31853372549 + 31853372550.

It is an arithmetic number, because the mean of its divisors is an integer number (31853372550).

Almost surely, 2^63706745099 is an apocalyptic number.

63706745099 is a deficient number, since it is larger than the sum of its proper divisors (1).

63706745099 is an equidigital number, since it uses as much as digits as its factorization.

63706745099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8573040, while the sum is 56.

The spelling of 63706745099 in words is "sixty-three billion, seven hundred six million, seven hundred forty-five thousand, ninety-nine".