65419637113 has 16 divisors (see below), whose sum is σ = 66370233600. Its totient is φ = 64476233280.

The previous prime is 65419637093. The next prime is 65419637119. The reversal of 65419637113 is 31173691456.

It is a cyclic number.

It is not a de Polignac number, because 65419637113 - 2¹³ = 65419628921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65419637119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24129828 + ... + 24132538.

It is an arithmetic number, because the mean of its divisors is an integer number (4148139600).

Almost surely, 2^65419637113 is an apocalyptic number.

It is an amenable number.

65419637113 is a deficient number, since it is larger than the sum of its proper divisors (950596487).

65419637113 is a wasteful number, since it uses less digits than its factorization.

65419637113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912.

The product of its digits is 408240, while the sum is 46.

The spelling of 65419637113 in words is "sixty-five billion, four hundred nineteen million, six hundred thirty-seven thousand, one hundred thirteen".