65096286921 has 24 divisors (see below), whose sum is σ = 97399103880. Its totient is φ = 41845579776.

The previous prime is 65096286911. The next prime is 65096286949. The reversal of 65096286921 is 12968269056.

It is a happy number.

65096286921 is a `hidden beast` number, since 6 + 5 + 0 + 9 + 628 + 6 + 9 + 2 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 853808400 + 64242478521 = 29220^2 + 253461^2 .

It is not a de Polignac number, because 65096286921 - 2⁷ = 65096286793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65096286901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32841 + ... + 362313.

It is an arithmetic number, because the mean of its divisors is an integer number (4058295995).

Almost surely, 2^65096286921 is an apocalyptic number.

It is an amenable number.

65096286921 is a deficient number, since it is larger than the sum of its proper divisors (32302816959).

65096286921 is a wasteful number, since it uses less digits than its factorization.

65096286921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330265 (or 330262 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 65096286921 in words is "sixty-five billion, ninety-six million, two hundred eighty-six thousand, nine hundred twenty-one".