95139982081 has 2 divisors, whose sum is σ = 95139982082. Its totient is φ = 95139982080.

The previous prime is 95139982043. The next prime is 95139982087. The reversal of 95139982081 is 18028993159.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71926412481 + 23213569600 = 268191^2 + 152360^2 .

It is an emirp because it is prime and its reverse (18028993159) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 95139982081 - 2²¹ = 95137884929 is a prime.

It is a super-2 number, since 2×95139982081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (95139982087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47569991040 + 47569991041.

It is an arithmetic number, because the mean of its divisors is an integer number (47569991041).

Almost surely, 2^95139982081 is an apocalyptic number.

It is an amenable number.

95139982081 is a deficient number, since it is larger than the sum of its proper divisors (1).

95139982081 is an equidigital number, since it uses as much as digits as its factorization.

95139982081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 55.

The spelling of 95139982081 in words is "ninety-five billion, one hundred thirty-nine million, nine hundred eighty-two thousand, eighty-one".