195402811441 has 2 divisors, whose sum is σ = 195402811442. Its totient is φ = 195402811440.

The previous prime is 195402811399. The next prime is 195402811451. The reversal of 195402811441 is 144118204591.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101423777841 + 93979033600 = 318471^2 + 306560^2 .

It is a cyclic number.

It is not a de Polignac number, because 195402811441 - 2¹³ = 195402803249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 195402811394 and 195402811403.

It is not a weakly prime, because it can be changed into another prime (195402811451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97701405720 + 97701405721.

It is an arithmetic number, because the mean of its divisors is an integer number (97701405721).

Almost surely, 2^195402811441 is an apocalyptic number.

It is an amenable number.

195402811441 is a deficient number, since it is larger than the sum of its proper divisors (1).

195402811441 is an equidigital number, since it uses as much as digits as its factorization.

195402811441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 195402811441 in words is "one hundred ninety-five billion, four hundred two million, eight hundred eleven thousand, four hundred forty-one".