814686435748 has 6 divisors (see below), whose sum is σ = 1425701262566. Its totient is φ = 407343217872.

The previous prime is 814686435737. The next prime is 814686435751. The reversal of 814686435748 is 847534686418.

It can be written as a sum of positive squares in only one way, i.e., 813679769764 + 1006665984 = 902042^2 + 31728^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 814686435748.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101835804465 + ... + 101835804472.

Almost surely, 2^814686435748 is an apocalyptic number.

It is an amenable number.

814686435748 is a deficient number, since it is larger than the sum of its proper divisors (611014826818).

814686435748 is a wasteful number, since it uses less digits than its factorization.

814686435748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203671608941 (or 203671608939 counting only the distinct ones).

The product of its digits is 123863040, while the sum is 64.

The spelling of 814686435748 in words is "eight hundred fourteen billion, six hundred eighty-six million, four hundred thirty-five thousand, seven hundred forty-eight".