65948418413 has 8 divisors (see below), whose sum is σ = 66756625632. Its totient is φ = 65143764496.

The previous prime is 65948418379. The next prime is 65948418511. The reversal of 65948418413 is 31481484956.

It is a happy number.

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 65948418413 - 2¹² = 65948414317 is a prime.

It is a super-2 number, since 2×65948418413² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65948418113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 850970 + ... + 925227.

It is an arithmetic number, because the mean of its divisors is an integer number (8344578204).

Almost surely, 2^65948418413 is an apocalyptic number.

It is an amenable number.

65948418413 is a deficient number, since it is larger than the sum of its proper divisors (808207219).

65948418413 is a wasteful number, since it uses less digits than its factorization.

65948418413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776651.

The product of its digits is 3317760, while the sum is 53.

The spelling of 65948418413 in words is "sixty-five billion, nine hundred forty-eight million, four hundred eighteen thousand, four hundred thirteen".