8380132813781 has 4 divisors (see below), whose sum is σ = 8440421539200. Its totient is φ = 8319844088364.

The previous prime is 8380132813771. The next prime is 8380132813873. The reversal of 8380132813781 is 1873182310838.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8380132813781 is a prime.

It is a super-2 number, since 2×8380132813781² (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 (8380132813771) 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, 30144362501 + ... + 30144362778.

It is an arithmetic number, because the mean of its divisors is an integer number (2110105384800).

Almost surely, 2^{8380132813781} is an apocalyptic number.

It is an amenable number.

8380132813781 is a deficient number, since it is larger than the sum of its proper divisors (60288725419).

8380132813781 is a wasteful number, since it uses less digits than its factorization.

8380132813781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60288725418.

The product of its (nonzero) digits is 1548288, while the sum is 53.

The spelling of 8380132813781 in words is "eight trillion, three hundred eighty billion, one hundred thirty-two million, eight hundred thirteen thousand, seven hundred eighty-one".