63851238147 has 16 divisors (see below), whose sum is σ = 88931404800. Its totient is φ = 40673236032.

The previous prime is 63851238137. The next prime is 63851238161. The reversal of 63851238147 is 74183215836.

It is not a de Polignac number, because 63851238147 - 2⁷ = 63851238019 is a prime.

It is a super-2 number, since 2×63851238147² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63851238096 and 63851238105.

It is not an unprimeable number, because it can be changed into a prime (63851238137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429147 + ... + 558452.

It is an arithmetic number, because the mean of its divisors is an integer number (5558212800).

Almost surely, 2^63851238147 is an apocalyptic number.

63851238147 is a deficient number, since it is larger than the sum of its proper divisors (25080166653).

63851238147 is a wasteful number, since it uses less digits than its factorization.

63851238147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988562.

The product of its digits is 967680, while the sum is 48.

The spelling of 63851238147 in words is "sixty-three billion, eight hundred fifty-one million, two hundred thirty-eight thousand, one hundred forty-seven".