95943599821 has 4 divisors (see below), whose sum is σ = 96068364700. Its totient is φ = 95818834944.

The previous prime is 95943599707. The next prime is 95943599863. The reversal of 95943599821 is 12899534959.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23751433225 + 72192166596 = 154115^2 + 268686^2 .

It is a cyclic number.

It is not a de Polignac number, because 95943599821 - 2⁷ = 95943599693 is a prime.

It is a super-2 number, since 2×95943599821² (a number of 23 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 (95943599881) 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, 62381286 + ... + 62382823.

It is an arithmetic number, because the mean of its divisors is an integer number (24017091175).

Almost surely, 2^95943599821 is an apocalyptic number.

It is an amenable number.

95943599821 is a deficient number, since it is larger than the sum of its proper divisors (124764879).

95943599821 is a wasteful number, since it uses less digits than its factorization.

95943599821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124764878.

The product of its digits is 31492800, while the sum is 64.

The spelling of 95943599821 in words is "ninety-five billion, nine hundred forty-three million, five hundred ninety-nine thousand, eight hundred twenty-one".