65838710453 has 4 divisors (see below), whose sum is σ = 69303905760. Its totient is φ = 62373515148.

The previous prime is 65838710429. The next prime is 65838710477. The reversal of 65838710453 is 35401783856.

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 an interprime number because it is at equal distance from previous prime (65838710429) and next prime (65838710477).

It is a cyclic number.

It is not a de Polignac number, because 65838710453 - 2²⁸ = 65570274997 is a prime.

It is a super-2 number, since 2×65838710453² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65838710153) 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, 1732597625 + ... + 1732597662.

It is an arithmetic number, because the mean of its divisors is an integer number (17325976440).

Almost surely, 2^65838710453 is an apocalyptic number.

It is an amenable number.

65838710453 is a deficient number, since it is larger than the sum of its proper divisors (3465195307).

65838710453 is a wasteful number, since it uses less digits than its factorization.

65838710453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465195306.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 65838710453 in words is "sixty-five billion, eight hundred thirty-eight million, seven hundred ten thousand, four hundred fifty-three".