65142563407 has 4 divisors (see below), whose sum is σ = 65144249280. Its totient is φ = 65140877536.

The previous prime is 65142563401. The next prime is 65142563429. The reversal of 65142563407 is 70436524156.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65142563407 - 2³⁵ = 30782825039 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 (65142563401) 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, 783583 + ... + 862720.

It is an arithmetic number, because the mean of its divisors is an integer number (16286062320).

Almost surely, 2^65142563407 is an apocalyptic number.

65142563407 is a deficient number, since it is larger than the sum of its proper divisors (1685873).

65142563407 is a wasteful number, since it uses less digits than its factorization.

65142563407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685872.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 65142563407 in words is "sixty-five billion, one hundred forty-two million, five hundred sixty-three thousand, four hundred seven".