65401540613 has 8 divisors (see below), whose sum is σ = 65751284736. Its totient is φ = 65051873200.

The previous prime is 65401540601. The next prime is 65401540621. The reversal of 65401540613 is 31604510456.

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 65401540613 - 2⁴ = 65401540597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65401540513) 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, 2742923 + ... + 2766663.

It is an arithmetic number, because the mean of its divisors is an integer number (8218910592).

Almost surely, 2^65401540613 is an apocalyptic number.

It is an amenable number.

65401540613 is a deficient number, since it is larger than the sum of its proper divisors (349744123).

65401540613 is a wasteful number, since it uses less digits than its factorization.

65401540613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38355.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 65401540613 in words is "sixty-five billion, four hundred one million, five hundred forty thousand, six hundred thirteen".