63917049 has 16 divisors (see below), whose sum is σ = 99663872. Its totient is φ = 35674128.

The previous prime is 63917033. The next prime is 63917089. The reversal of 63917049 is 94071936.

It is not a de Polignac number, because 63917049 - 2⁴ = 63917033 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63916998 and 63917016.

It is not an unprimeable number, because it can be changed into a prime (63917089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34489 + ... + 36294.

It is an arithmetic number, because the mean of its divisors is an integer number (6228992).

Almost surely, 2^63917049 is an apocalyptic number.

It is an amenable number.

63917049 is a deficient number, since it is larger than the sum of its proper divisors (35746823).

63917049 is a wasteful number, since it uses less digits than its factorization.

63917049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70836.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 63917049 is about 7994.8138815109. The cubic root of 63917049 is about 399.8271107007.

The spelling of 63917049 in words is "sixty-three million, nine hundred seventeen thousand, forty-nine".