195903396481 has 8 divisors (see below), whose sum is σ = 211428560000. Its totient is φ = 180443328912.

The previous prime is 195903396443. The next prime is 195903396487. The reversal of 195903396481 is 184693309591.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195903396481 - 2¹⁵ = 195903363713 is a prime.

It is a super-2 number, since 2×195903396481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195903396487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16267731 + ... + 16279768.

It is an arithmetic number, because the mean of its divisors is an integer number (26428570000).

Almost surely, 2^195903396481 is an apocalyptic number.

It is an amenable number.

195903396481 is a deficient number, since it is larger than the sum of its proper divisors (15525163519).

195903396481 is a wasteful number, since it uses less digits than its factorization.

195903396481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32547975.

The product of its (nonzero) digits is 6298560, while the sum is 58.

The spelling of 195903396481 in words is "one hundred ninety-five billion, nine hundred three million, three hundred ninety-six thousand, four hundred eighty-one".