813430497948 has 24 divisors (see below), whose sum is σ = 1903012433280. Its totient is φ = 270428079600.

The previous prime is 813430497907. The next prime is 813430497959. The reversal of 813430497948 is 849794034318.

813430497948 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 813430497891 and 813430497900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89422728 + ... + 89431823.

It is an arithmetic number, because the mean of its divisors is an integer number (79292184720).

Almost surely, 2^813430497948 is an apocalyptic number.

It is an amenable number.

813430497948 is an abundant number, since it is smaller than the sum of its proper divisors (1089581935332).

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

813430497948 is a wasteful number, since it uses less digits than its factorization.

813430497948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178854937 (or 178854935 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 813430497948 in words is "eight hundred thirteen billion, four hundred thirty million, four hundred ninety-seven thousand, nine hundred forty-eight".