65140034413 has 4 divisors (see below), whose sum is σ = 66525992640. Its totient is φ = 63754076188.

The previous prime is 65140034369. The next prime is 65140034567. The reversal of 65140034413 is 31443004156.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65140034413 - 2¹³ = 65140026221 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 (65140014413) 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 3 ways as a sum of consecutive naturals, for example, 692979043 + ... + 692979136.

It is an arithmetic number, because the mean of its divisors is an integer number (16631498160).

Almost surely, 2^65140034413 is an apocalyptic number.

It is an amenable number.

65140034413 is a deficient number, since it is larger than the sum of its proper divisors (1385958227).

65140034413 is a wasteful number, since it uses less digits than its factorization.

65140034413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385958226.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 65140034413 its reverse (31443004156), we get a palindrome (96583038569).

The spelling of 65140034413 in words is "sixty-five billion, one hundred forty million, thirty-four thousand, four hundred thirteen".