65287496137 has 4 divisors (see below), whose sum is σ = 66074092560. Its totient is φ = 64500899716.

The previous prime is 65287496117. The next prime is 65287496227. The reversal of 65287496137 is 73169478256.

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 65287496137 - 2¹¹ = 65287494089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65287496117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393298087 + ... + 393298252.

It is an arithmetic number, because the mean of its divisors is an integer number (16518523140).

Almost surely, 2^65287496137 is an apocalyptic number.

It is an amenable number.

65287496137 is a deficient number, since it is larger than the sum of its proper divisors (786596423).

65287496137 is an equidigital number, since it uses as much as digits as its factorization.

65287496137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786596422.

The product of its digits is 15240960, while the sum is 58.

The spelling of 65287496137 in words is "sixty-five billion, two hundred eighty-seven million, four hundred ninety-six thousand, one hundred thirty-seven".