65933672473 has 8 divisors (see below), whose sum is σ = 67641605640. Its totient is φ = 64230491520.

The previous prime is 65933672449. The next prime is 65933672501. The reversal of 65933672473 is 37427633956.

It can be written as a sum of positive squares in 4 ways, for example, as 965779929 + 64967892544 = 31077^2 + 254888^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65933672473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65933672773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159938 + ... + 1215451.

It is an arithmetic number, because the mean of its divisors is an integer number (8455200705).

Almost surely, 2^65933672473 is an apocalyptic number.

It is an amenable number.

65933672473 is a deficient number, since it is larger than the sum of its proper divisors (1707933167).

65933672473 is a wasteful number, since it uses less digits than its factorization.

65933672473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376107.

The product of its digits is 17146080, while the sum is 55.

The spelling of 65933672473 in words is "sixty-five billion, nine hundred thirty-three million, six hundred seventy-two thousand, four hundred seventy-three".