65693449 has 4 divisors (see below), whose sum is σ = 65745936. Its totient is φ = 65640964.

The previous prime is 65693437. The next prime is 65693471. The reversal of 65693449 is 94439656.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65693449 - 2¹⁷ = 65562377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65693399 and 65693408.

It is not an unprimeable number, because it can be changed into a prime (65693429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24319 + ... + 26884.

It is an arithmetic number, because the mean of its divisors is an integer number (16436484).

Almost surely, 2^65693449 is an apocalyptic number.

It is an amenable number.

65693449 is a deficient number, since it is larger than the sum of its proper divisors (52487).

65693449 is a wasteful number, since it uses less digits than its factorization.

65693449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52486.

The product of its digits is 699840, while the sum is 46.

The square root of 65693449 is about 8105.1495359432. The cubic root of 65693449 is about 403.4973509702.

The spelling of 65693449 in words is "sixty-five million, six hundred ninety-three thousand, four hundred forty-nine".