637853948212 has 48 divisors (see below), whose sum is σ = 1223701617600. Its totient is φ = 289116172800.

The previous prime is 637853948201. The next prime is 637853948219. The reversal of 637853948212 is 212849358736.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (637853948219) 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 15 ways as a sum of consecutive naturals, for example, 2992587 + ... + 3198637.

It is an arithmetic number, because the mean of its divisors is an integer number (25493783700).

Almost surely, 2^637853948212 is an apocalyptic number.

It is an amenable number.

637853948212 is a deficient number, since it is larger than the sum of its proper divisors (585847669388).

637853948212 is a wasteful number, since it uses less digits than its factorization.

637853948212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207136 (or 207134 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 58.

The spelling of 637853948212 in words is "six hundred thirty-seven billion, eight hundred fifty-three million, nine hundred forty-eight thousand, two hundred twelve".