63846949099 has 2 divisors, whose sum is σ = 63846949100. Its totient is φ = 63846949098.

The previous prime is 63846949087. The next prime is 63846949151. The reversal of 63846949099 is 99094964836.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63846949099 - 2²⁹ = 63310078187 is a prime.

It is not a weakly prime, because it can be changed into another prime (63846949039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31923474549 + 31923474550.

It is an arithmetic number, because the mean of its divisors is an integer number (31923474550).

Almost surely, 2^63846949099 is an apocalyptic number.

63846949099 is a deficient number, since it is larger than the sum of its proper divisors (1).

63846949099 is an equidigital number, since it uses as much as digits as its factorization.

63846949099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90699264, while the sum is 67.

The spelling of 63846949099 in words is "sixty-three billion, eight hundred forty-six million, nine hundred forty-nine thousand, ninety-nine".