65050000393 has 4 divisors (see below), whose sum is σ = 74342857600. Its totient is φ = 55757143188.

The previous prime is 65050000357. The next prime is 65050000397. The reversal of 65050000393 is 39300005056.

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 65050000393 - 2⁹ = 65049999881 is a prime.

It is a super-2 number, since 2×65050000393² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65050000397) 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, 4646428593 + ... + 4646428606.

It is an arithmetic number, because the mean of its divisors is an integer number (18585714400).

Almost surely, 2^65050000393 is an apocalyptic number.

It is an amenable number.

65050000393 is a deficient number, since it is larger than the sum of its proper divisors (9292857207).

65050000393 is an equidigital number, since it uses as much as digits as its factorization.

65050000393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9292857206.

The product of its (nonzero) digits is 12150, while the sum is 31.

The spelling of 65050000393 in words is "sixty-five billion, fifty million, three hundred ninety-three", and thus it is an aban number.