13683697465 has 8 divisors (see below), whose sum is σ = 16421626440. Its totient is φ = 10946164992.

The previous prime is 13683697459. The next prime is 13683697471. The reversal of 13683697465 is 56479638631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13683697459) and next prime (13683697471).

It can be written as a sum of positive squares in 4 ways, for example, as 671276281 + 13012421184 = 25909^2 + 114072^2 .

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 13683697465 - 2⁷ = 13683697337 is a prime.

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, 17014 + ... + 166303.

It is an arithmetic number, because the mean of its divisors is an integer number (2052703305).

Almost surely, 2^13683697465 is an apocalyptic number.

It is an amenable number.

13683697465 is a deficient number, since it is larger than the sum of its proper divisors (2737928975).

13683697465 is a wasteful number, since it uses less digits than its factorization.

13683697465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198251.

The product of its digits is 19595520, while the sum is 58.

The spelling of 13683697465 in words is "thirteen billion, six hundred eighty-three million, six hundred ninety-seven thousand, four hundred sixty-five".