63131479375 has 10 divisors (see below), whose sum is σ = 78889097408. Its totient is φ = 50505183000.

The previous prime is 63131479373. The next prime is 63131479381. The reversal of 63131479375 is 57397413136.

It is not a de Polignac number, because 63131479375 - 2¹ = 63131479373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63131479373) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 50504559 + ... + 50505808.

Almost surely, 2^63131479375 is an apocalyptic number.

63131479375 is a deficient number, since it is larger than the sum of its proper divisors (15757618033).

63131479375 is an equidigital number, since it uses as much as digits as its factorization.

63131479375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101010387 (or 101010372 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 49.

The spelling of 63131479375 in words is "sixty-three billion, one hundred thirty-one million, four hundred seventy-nine thousand, three hundred seventy-five".