63909859074 has 16 divisors (see below), whose sum is σ = 127822305312. Its totient is φ = 21302855168.

The previous prime is 63909859073. The next prime is 63909859081. The reversal of 63909859074 is 47095890936.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 63909858999 and 63909859017.

It is not an unprimeable number, because it can be changed into a prime (63909859073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390577 + ... + 529499.

It is an arithmetic number, because the mean of its divisors is an integer number (7988894082).

Almost surely, 2^63909859074 is an apocalyptic number.

63909859074 is an abundant number, since it is smaller than the sum of its proper divisors (63912446238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63909859074 is a wasteful number, since it uses less digits than its factorization.

63909859074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215601.

The product of its (nonzero) digits is 14696640, while the sum is 60.

The spelling of 63909859074 in words is "sixty-three billion, nine hundred nine million, eight hundred fifty-nine thousand, seventy-four".