95719619581 has 4 divisors (see below), whose sum is σ = 95742087964. Its totient is φ = 95697151200.

The previous prime is 95719619561. The next prime is 95719619609. The reversal of 95719619581 is 18591691759.

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 74985059556 + 20734560025 = 273834^2 + 143995^2 .

It is a cyclic number.

It is not a de Polignac number, because 95719619581 - 2¹⁵ = 95719586813 is a prime.

It is a super-2 number, since 2×95719619581² (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 (95719619531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11227800 + ... + 11236321.

It is an arithmetic number, because the mean of its divisors is an integer number (23935521991).

Almost surely, 2^95719619581 is an apocalyptic number.

It is an amenable number.

95719619581 is a deficient number, since it is larger than the sum of its proper divisors (22468383).

95719619581 is a wasteful number, since it uses less digits than its factorization.

95719619581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22468382.

The product of its digits is 6123600, while the sum is 61.

The spelling of 95719619581 in words is "ninety-five billion, seven hundred nineteen million, six hundred nineteen thousand, five hundred eighty-one".