6380276721765 has 8 divisors (see below), whose sum is σ = 10208442754848. Its totient is φ = 3402814251600.

The previous prime is 6380276721737. The next prime is 6380276721779. The reversal of 6380276721765 is 5671276720836.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6380276721765 - 2⁶ = 6380276721701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6380276721699 and 6380276721708.

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, 212675890711 + ... + 212675890740.

It is an arithmetic number, because the mean of its divisors is an integer number (1276055344356).

Almost surely, 2^{6380276721765} is an apocalyptic number.

It is an amenable number.

6380276721765 is a deficient number, since it is larger than the sum of its proper divisors (3828166033083).

6380276721765 is a wasteful number, since it uses less digits than its factorization.

6380276721765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425351781459.

The product of its (nonzero) digits is 35562240, while the sum is 60.

The spelling of 6380276721765 in words is "six trillion, three hundred eighty billion, two hundred seventy-six million, seven hundred twenty-one thousand, seven hundred sixty-five".