195402744041 has 4 divisors (see below), whose sum is σ = 195550665684. Its totient is φ = 195254822400.

The previous prime is 195402744007. The next prime is 195402744073. The reversal of 195402744041 is 140447204591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140447204591 = 5779 ⋅24303029.

It can be written as a sum of positive squares in 2 ways, for example, as 174741556441 + 20661187600 = 418021^2 + 143740^2 .

It is a cyclic number.

It is not a de Polignac number, because 195402744041 - 2¹⁴ = 195402727657 is a prime.

It is a super-2 number, since 2×195402744041² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 195402744041.

It is not an unprimeable number, because it can be changed into a prime (195402744091) 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, 73958840 + ... + 73961481.

It is an arithmetic number, because the mean of its divisors is an integer number (48887666421).

Almost surely, 2^195402744041 is an apocalyptic number.

It is an amenable number.

195402744041 is a deficient number, since it is larger than the sum of its proper divisors (147921643).

195402744041 is a wasteful number, since it uses less digits than its factorization.

195402744041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147921642.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 195402744041 in words is "one hundred ninety-five billion, four hundred two million, seven hundred forty-four thousand, forty-one".