63850638195 has 24 divisors (see below), whose sum is σ = 116499411600. Its totient is φ = 32261374656.

The previous prime is 63850638121. The next prime is 63850638197. The reversal of 63850638195 is 59183605836.

It is not a de Polignac number, because 63850638195 - 2⁷ = 63850638067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63850638197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37338700 + ... + 37340409.

It is an arithmetic number, because the mean of its divisors is an integer number (4854142150).

Almost surely, 2^63850638195 is an apocalyptic number.

63850638195 is a deficient number, since it is larger than the sum of its proper divisors (52648773405).

63850638195 is a wasteful number, since it uses less digits than its factorization.

63850638195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74679139 (or 74679136 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 63850638195 in words is "sixty-three billion, eight hundred fifty million, six hundred thirty-eight thousand, one hundred ninety-five".