65360869493 has 8 divisors (see below), whose sum is σ = 69212680920. Its totient is φ = 61509841920.

The previous prime is 65360869489. The next prime is 65360869499. The reversal of 65360869493 is 39496806356.

It can be written as a sum of positive squares in 4 ways, for example, as 653211364 + 64707658129 = 25558^2 + 254377^2 .

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 65360869493 - 2² = 65360869489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65360869499) 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, 19748 + ... + 362093.

It is an arithmetic number, because the mean of its divisors is an integer number (8651585115).

Almost surely, 2^65360869493 is an apocalyptic number.

It is an amenable number.

65360869493 is a deficient number, since it is larger than the sum of its proper divisors (3851811427).

65360869493 is a wasteful number, since it uses less digits than its factorization.

65360869493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391927.

The product of its (nonzero) digits is 25194240, while the sum is 59.

The spelling of 65360869493 in words is "sixty-five billion, three hundred sixty million, eight hundred sixty-nine thousand, four hundred ninety-three".