63850638247 has 4 divisors (see below), whose sum is σ = 69655241736. Its totient is φ = 58046034760.

The previous prime is 63850638211. The next prime is 63850638287. The reversal of 63850638247 is 74283605836.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63850638247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63850638194 and 63850638203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63850638287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2902301728 + ... + 2902301749.

It is an arithmetic number, because the mean of its divisors is an integer number (17413810434).

Almost surely, 2^63850638247 is an apocalyptic number.

63850638247 is a deficient number, since it is larger than the sum of its proper divisors (5804603489).

63850638247 is a wasteful number, since it uses less digits than its factorization.

63850638247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5804603488.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 63850638247 in words is "sixty-three billion, eight hundred fifty million, six hundred thirty-eight thousand, two hundred forty-seven".