6474127766565 has 32 divisors (see below), whose sum is σ = 10423207589760. Its totient is φ = 3431338039296.

The previous prime is 6474127766543. The next prime is 6474127766647. The reversal of 6474127766565 is 5656677214746.

It is not a de Polignac number, because 6474127766565 - 2¹⁰ = 6474127765541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6474127766496 and 6474127766505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25027929 + ... + 25285281.

It is an arithmetic number, because the mean of its divisors is an integer number (325725237180).

Almost surely, 2^{6474127766565} is an apocalyptic number.

It is an amenable number.

6474127766565 is a deficient number, since it is larger than the sum of its proper divisors (3949079823195).

6474127766565 is a wasteful number, since it uses less digits than its factorization.

6474127766565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267813.

The product of its digits is 355622400, while the sum is 66.

The spelling of 6474127766565 in words is "six trillion, four hundred seventy-four billion, one hundred twenty-seven million, seven hundred sixty-six thousand, five hundred sixty-five".