63961200346 has 8 divisors (see below), whose sum is σ = 96930891540. Its totient is φ = 31650903168.

The previous prime is 63961200301. The next prime is 63961200403. The reversal of 63961200346 is 64300216936.

It can be written as a sum of positive squares in 2 ways, for example, as 63938685321 + 22515025 = 252861^2 + 4745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 63961200299 and 63961200308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164848261 + ... + 164848648.

Almost surely, 2^63961200346 is an apocalyptic number.

63961200346 is a deficient number, since it is larger than the sum of its proper divisors (32969691194).

63961200346 is a wasteful number, since it uses less digits than its factorization.

63961200346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329697008.

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 63961200346 in words is "sixty-three billion, nine hundred sixty-one million, two hundred thousand, three hundred forty-six".