13435923965 has 8 divisors (see below), whose sum is σ = 16141414968. Its totient is φ = 10736535040.

The previous prime is 13435923937. The next prime is 13435924039. The reversal of 13435923965 is 56932953431.

It can be written as a sum of positive squares in 4 ways, for example, as 8444836 + 13427479129 = 2906^2 + 115877^2 .

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

It is not a de Polignac number, because 13435923965 - 2³⁰ = 12362182141 is a prime.

It is a super-2 number, since 2×13435923965² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 1520672 + ... + 1529481.

It is an arithmetic number, because the mean of its divisors is an integer number (2017676871).

Almost surely, 2^13435923965 is an apocalyptic number.

It is an amenable number.

13435923965 is a deficient number, since it is larger than the sum of its proper divisors (2705491003).

13435923965 is an equidigital number, since it uses as much as digits as its factorization.

13435923965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051039.

The product of its digits is 2624400, while the sum is 50.

The spelling of 13435923965 in words is "thirteen billion, four hundred thirty-five million, nine hundred twenty-three thousand, nine hundred sixty-five".