6365123261 has 16 divisors (see below), whose sum is σ = 7529034240. Its totient is φ = 5265052800.

The previous prime is 6365123251. The next prime is 6365123273. The reversal of 6365123261 is 1623215636.

It is not a de Polignac number, because 6365123261 - 2¹⁰ = 6365122237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6365123251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470585 + ... + 483921.

It is an arithmetic number, because the mean of its divisors is an integer number (470564640).

Almost surely, 2^6365123261 is an apocalyptic number.

It is an amenable number.

6365123261 is a deficient number, since it is larger than the sum of its proper divisors (1163910979).

6365123261 is a wasteful number, since it uses less digits than its factorization.

6365123261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15724.

The product of its digits is 38880, while the sum is 35.

The square root of 6365123261 is about 79781.7225998537. The cubic root of 6365123261 is about 1853.2568160151.

Adding to 6365123261 its reverse (1623215636), we get a palindrome (7988338897).

The spelling of 6365123261 in words is "six billion, three hundred sixty-five million, one hundred twenty-three thousand, two hundred sixty-one".