195780518941 has 32 divisors (see below), whose sum is σ = 246453862400. Its totient is φ = 151743507840.

The previous prime is 195780518909. The next prime is 195780518957. The reversal of 195780518941 is 149815087591.

It is a cyclic number.

It is not a de Polignac number, because 195780518941 - 2⁵ = 195780518909 is a prime.

It is a super-2 number, since 2×195780518941² (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 (195780516941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24261 + ... + 626218.

It is an arithmetic number, because the mean of its divisors is an integer number (7701683200).

Almost surely, 2^195780518941 is an apocalyptic number.

It is an amenable number.

195780518941 is a deficient number, since it is larger than the sum of its proper divisors (50673343459).

195780518941 is a wasteful number, since it uses less digits than its factorization.

195780518941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650609.

The product of its (nonzero) digits is 3628800, while the sum is 58.

The spelling of 195780518941 in words is "one hundred ninety-five billion, seven hundred eighty million, five hundred eighteen thousand, nine hundred forty-one".