65375526451 has 4 divisors (see below), whose sum is σ = 69221145672. Its totient is φ = 61529907232.

The previous prime is 65375526431. The next prime is 65375526479. The reversal of 65375526451 is 15462557356.

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 65375526451 - 2⁷ = 65375526323 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65375526395 and 65375526404.

It is not an unprimeable number, because it can be changed into a prime (65375526431) 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, 1922809585 + ... + 1922809618.

It is an arithmetic number, because the mean of its divisors is an integer number (17305286418).

Almost surely, 2^65375526451 is an apocalyptic number.

65375526451 is a deficient number, since it is larger than the sum of its proper divisors (3845619221).

65375526451 is a wasteful number, since it uses less digits than its factorization.

65375526451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3845619220.

The product of its digits is 3780000, while the sum is 49.

The spelling of 65375526451 in words is "sixty-five billion, three hundred seventy-five million, five hundred twenty-six thousand, four hundred fifty-one".