63198245831 has 24 divisors (see below), whose sum is σ = 74960928000. Its totient is φ = 53110363824.

The previous prime is 63198245827. The next prime is 63198245839. The reversal of 63198245831 is 13854289136.

It is a happy number.

It is not a de Polignac number, because 63198245831 - 2² = 63198245827 is a prime.

It is a super-2 number, since 2×63198245831² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63198245831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63198245839) 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, 1066850 + ... + 1124528.

It is an arithmetic number, because the mean of its divisors is an integer number (3123372000).

Almost surely, 2^63198245831 is an apocalyptic number.

63198245831 is a deficient number, since it is larger than the sum of its proper divisors (11762682169).

63198245831 is a wasteful number, since it uses less digits than its factorization.

63198245831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58131 (or 58124 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The spelling of 63198245831 in words is "sixty-three billion, one hundred ninety-eight million, two hundred forty-five thousand, eight hundred thirty-one".