65961714473 has 4 divisors (see below), whose sum is σ = 65962919760. Its totient is φ = 65960509188.

The previous prime is 65961714461. The next prime is 65961714479. The reversal of 65961714473 is 37441716956.

It is a happy number.

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 65961714473 - 2¹⁸ = 65961452329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65961714479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516443 + ... + 631376.

It is an arithmetic number, because the mean of its divisors is an integer number (16490729940).

Almost surely, 2^65961714473 is an apocalyptic number.

It is an amenable number.

65961714473 is a deficient number, since it is larger than the sum of its proper divisors (1205287).

65961714473 is a wasteful number, since it uses less digits than its factorization.

65961714473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205286.

The product of its digits is 3810240, while the sum is 53.

The spelling of 65961714473 in words is "sixty-five billion, nine hundred sixty-one million, seven hundred fourteen thousand, four hundred seventy-three".