814948489720 has 16 divisors (see below), whose sum is σ = 1833634101960. Its totient is φ = 325979395872.

The previous prime is 814948489703. The next prime is 814948489739. The reversal of 814948489720 is 27984849418.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10186856082 + ... + 10186856161.

Almost surely, 2^814948489720 is an apocalyptic number.

It is an amenable number.

814948489720 is an abundant number, since it is smaller than the sum of its proper divisors (1018685612240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

814948489720 is a wasteful number, since it uses less digits than its factorization.

814948489720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20373712254 (or 20373712250 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 64.

The spelling of 814948489720 in words is "eight hundred fourteen billion, nine hundred forty-eight million, four hundred eighty-nine thousand, seven hundred twenty".