65794475523 has 16 divisors (see below), whose sum is σ = 100387973376. Its totient is φ = 37548196320.

The previous prime is 65794475519. The next prime is 65794475561. The reversal of 65794475523 is 32557449756.

It is not a de Polignac number, because 65794475523 - 2² = 65794475519 is a prime.

It is a super-2 number, since 2×65794475523² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65794475503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2010333 + ... + 2042798.

It is an arithmetic number, because the mean of its divisors is an integer number (6274248336).

Almost surely, 2^65794475523 is an apocalyptic number.

65794475523 is a deficient number, since it is larger than the sum of its proper divisors (34593497853).

65794475523 is a wasteful number, since it uses less digits than its factorization.

65794475523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053914.

The product of its digits is 31752000, while the sum is 57.

The spelling of 65794475523 in words is "sixty-five billion, seven hundred ninety-four million, four hundred seventy-five thousand, five hundred twenty-three".