65967320048919 has 32 divisors (see below), whose sum is σ = 97497519398400. Its totient is φ = 39486495185280.

The previous prime is 65967320048893. The next prime is 65967320049041. The reversal of 65967320048919 is 91984002376956.

It is a de Polignac number, because none of the positive numbers 2^k-65967320048919 is a prime.

It is a super-2 number, since 2×65967320048919² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65967320048219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230675092 + ... + 230960889.

It is an arithmetic number, because the mean of its divisors is an integer number (3046797481200).

It is a 1-persistent number, because it is pandigital, but 2⋅65967320048919 = 131934640097838 is not.

Almost surely, 2^{65967320048919} is an apocalyptic number.

65967320048919 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

65967320048919 is a deficient number, since it is larger than the sum of its proper divisors (31530199349481).

65967320048919 is a wasteful number, since it uses less digits than its factorization.

65967320048919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461636135.

The product of its (nonzero) digits is 176359680, while the sum is 69.

The spelling of 65967320048919 in words is "sixty-five trillion, nine hundred sixty-seven billion, three hundred twenty million, forty-eight thousand, nine hundred nineteen".