2565013363019 has 16 divisors (see below), whose sum is σ = 2730987866880. Its totient is φ = 2404816750080.

The previous prime is 2565013362893. The next prime is 2565013363021. The reversal of 2565013363019 is 9103633105652.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2565013363019 - 2³² = 2560718395723 is a prime.

It is a super-2 number, since 2×2565013363019² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2565013303019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4531634 + ... + 5066135.

It is an arithmetic number, because the mean of its divisors is an integer number (170686741680).

Almost surely, 2^{2565013363019} is an apocalyptic number.

2565013363019 is a deficient number, since it is larger than the sum of its proper divisors (165974503861).

2565013363019 is a wasteful number, since it uses less digits than its factorization.

2565013363019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9598070.

The product of its (nonzero) digits is 437400, while the sum is 44.

The spelling of 2565013363019 in words is "two trillion, five hundred sixty-five billion, thirteen million, three hundred sixty-three thousand, nineteen".