65464652503 has 4 divisors (see below), whose sum is σ = 65826335848. Its totient is φ = 65102969160.

The previous prime is 65464652501. The next prime is 65464652507. The reversal of 65464652503 is 30525646456.

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 65464652503 - 2¹ = 65464652501 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 (65464652501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180841401 + ... + 180841762.

It is an arithmetic number, because the mean of its divisors is an integer number (16456583962).

Almost surely, 2^65464652503 is an apocalyptic number.

65464652503 is a deficient number, since it is larger than the sum of its proper divisors (361683345).

65464652503 is a wasteful number, since it uses less digits than its factorization.

65464652503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361683344.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 65464652503 in words is "sixty-five billion, four hundred sixty-four million, six hundred fifty-two thousand, five hundred three".