995473001881 has 2 divisors, whose sum is σ = 995473001882. Its totient is φ = 995473001880.

The previous prime is 995473001843. The next prime is 995473001921. The reversal of 995473001881 is 188100374599.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 926483251600 + 68989750281 = 962540^2 + 262659^2 .

It is a cyclic number.

It is not a de Polignac number, because 995473001881 - 2²⁵ = 995439447449 is a prime.

It is a super-2 number, since 2×995473001881² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (995473001821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497736500940 + 497736500941.

It is an arithmetic number, because the mean of its divisors is an integer number (497736500941).

Almost surely, 2^995473001881 is an apocalyptic number.

It is an amenable number.

995473001881 is a deficient number, since it is larger than the sum of its proper divisors (1).

995473001881 is an equidigital number, since it uses as much as digits as its factorization.

995473001881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 995473001881 in words is "nine hundred ninety-five billion, four hundred seventy-three million, one thousand, eight hundred eighty-one".