2123962265 has 8 divisors (see below), whose sum is σ = 2549070600. Its totient is φ = 1698959232.

The previous prime is 2123962249. The next prime is 2123962271. The reversal of 2123962265 is 5622693212.

It can be written as a sum of positive squares in 4 ways, for example, as 9066121 + 2114896144 = 3011^2 + 45988^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2123962265 - 2⁴ = 2123962249 is a prime.

It is a super-2 number, since 2×2123962265² = 9022431406287860450, which contains 22 as substring.

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, 28397 + ... + 71093.

It is an arithmetic number, because the mean of its divisors is an integer number (318633825).

Almost surely, 2^2123962265 is an apocalyptic number.

It is an amenable number.

2123962265 is a deficient number, since it is larger than the sum of its proper divisors (425108335).

2123962265 is an equidigital number, since it uses as much as digits as its factorization.

2123962265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52651.

The product of its digits is 77760, while the sum is 38.

The square root of 2123962265 is about 46086.4650955137. The cubic root of 2123962265 is about 1285.4314821235.

The spelling of 2123962265 in words is "two billion, one hundred twenty-three million, nine hundred sixty-two thousand, two hundred sixty-five".