2565350463 has 8 divisors (see below), whose sum is σ = 3683580208. Its totient is φ = 1578677184.

The previous prime is 2565350423. The next prime is 2565350479. The reversal of 2565350463 is 3640535652.

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

It is not a de Polignac number, because 2565350463 - 2²² = 2561156159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 65778217 = 2565350463 / (2 + 5 + 6 + 5 + 3 + 5 + 0 + 4 + 6 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565350423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32889070 + ... + 32889147.

It is an arithmetic number, because the mean of its divisors is an integer number (460447526).

Almost surely, 2^2565350463 is an apocalyptic number.

2565350463 is a deficient number, since it is larger than the sum of its proper divisors (1118229745).

2565350463 is a wasteful number, since it uses less digits than its factorization.

2565350463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65778233.

The product of its (nonzero) digits is 324000, while the sum is 39.

The square root of 2565350463 is about 50649.2888696376. The cubic root of 2565350463 is about 1368.9331319697.

The spelling of 2565350463 in words is "two billion, five hundred sixty-five million, three hundred fifty thousand, four hundred sixty-three".