65400514817 has 8 divisors (see below), whose sum is σ = 71617296960. Its totient is φ = 59228946160.

The previous prime is 65400514811. The next prime is 65400514849. The reversal of 65400514817 is 71841500456.

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 65400514817 - 2¹⁰ = 65400513793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65400514811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11300342 + ... + 11306127.

It is an arithmetic number, because the mean of its divisors is an integer number (8952162120).

Almost surely, 2^65400514817 is an apocalyptic number.

It is an amenable number.

65400514817 is a deficient number, since it is larger than the sum of its proper divisors (6216782143).

65400514817 is a wasteful number, since it uses less digits than its factorization.

65400514817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22606743.

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 65400514817 in words is "sixty-five billion, four hundred million, five hundred fourteen thousand, eight hundred seventeen".