63731442201 has 32 divisors (see below), whose sum is σ = 98742989568. Its totient is φ = 35807754240.

The previous prime is 63731442191. The next prime is 63731442211. The reversal of 63731442201 is 10224413736.

It is an interprime number because it is at equal distance from previous prime (63731442191) and next prime (63731442211).

It is not a de Polignac number, because 63731442201 - 2²³ = 63723053593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63731442211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4236445 + ... + 4251461.

It is an arithmetic number, because the mean of its divisors is an integer number (3085718424).

Almost surely, 2^63731442201 is an apocalyptic number.

63731442201 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

63731442201 is a deficient number, since it is larger than the sum of its proper divisors (35011547367).

63731442201 is a wasteful number, since it uses less digits than its factorization.

63731442201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18401.

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 63731442201 its reverse (10224413736), we get a palindrome (73955855937).

The spelling of 63731442201 in words is "sixty-three billion, seven hundred thirty-one million, four hundred forty-two thousand, two hundred one".