63494744059 has 2 divisors, whose sum is σ = 63494744060. Its totient is φ = 63494744058.

The previous prime is 63494744029. The next prime is 63494744063. The reversal of 63494744059 is 95044749436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63494744059 - 2³¹ = 61347260411 is a prime.

It is not a weakly prime, because it can be changed into another prime (63494744029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31747372029 + 31747372030.

It is an arithmetic number, because the mean of its divisors is an integer number (31747372030).

Almost surely, 2^63494744059 is an apocalyptic number.

63494744059 is a deficient number, since it is larger than the sum of its proper divisors (1).

63494744059 is an equidigital number, since it uses as much as digits as its factorization.

63494744059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 55.

The spelling of 63494744059 in words is "sixty-three billion, four hundred ninety-four million, seven hundred forty-four thousand, fifty-nine".