8314473048781 has 4 divisors (see below), whose sum is σ = 8471349898812. Its totient is φ = 8157596198752.

The previous prime is 8314473048779. The next prime is 8314473048851. The reversal of 8314473048781 is 1878403744138.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2148836423881 + 6165636624900 = 1465891^2 + 2483070^2 .

It is a cyclic number.

It is not a de Polignac number, because 8314473048781 - 2¹ = 8314473048779 is a prime.

It is a super-2 number, since 2×8314473048781² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8314473048751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78438424936 + ... + 78438425041.

It is an arithmetic number, because the mean of its divisors is an integer number (2117837474703).

Almost surely, 2^{8314473048781} is an apocalyptic number.

It is an amenable number.

8314473048781 is a deficient number, since it is larger than the sum of its proper divisors (156876850031).

8314473048781 is a wasteful number, since it uses less digits than its factorization.

8314473048781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156876850030.

The product of its (nonzero) digits is 14450688, while the sum is 58.

The spelling of 8314473048781 in words is "eight trillion, three hundred fourteen billion, four hundred seventy-three million, forty-eight thousand, seven hundred eighty-one".