195197401533 has 8 divisors (see below), whose sum is σ = 260302231168. Its totient is φ = 130112086464.

The previous prime is 195197401519. The next prime is 195197401577. The reversal of 195197401533 is 335104791591.

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

It is not a de Polignac number, because 195197401533 - 2²² = 195193207229 is a prime.

It is the 441812-nd Hogben number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195197408533) by changing a digit.

It is a nontrivial repunit in base 441811.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4855285 + ... + 4895322.

It is an arithmetic number, because the mean of its divisors is an integer number (32537778896).

Almost surely, 2^195197401533 is an apocalyptic number.

It is an amenable number.

195197401533 is a deficient number, since it is larger than the sum of its proper divisors (65104829635).

195197401533 is an equidigital number, since it uses as much as digits as its factorization.

195197401533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9757283.

The product of its (nonzero) digits is 510300, while the sum is 48.

The spelling of 195197401533 in words is "one hundred ninety-five billion, one hundred ninety-seven million, four hundred one thousand, five hundred thirty-three".