195302690901 has 12 divisors (see below), whose sum is σ = 282111152128. Its totient is φ = 130198440744.

The previous prime is 195302690899. The next prime is 195302690953. The reversal of 195302690901 is 109096203591.

It is a happy number.

195302690901 is a `hidden beast` number, since 1 + 9 + 530 + 26 + 9 + 0 + 90 + 1 = 666.

195302690901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 195302690901 - 2¹ = 195302690899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195302690971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119406 + ... + 636288.

Almost surely, 2^195302690901 is an apocalyptic number.

It is an amenable number.

195302690901 is a deficient number, since it is larger than the sum of its proper divisors (86808461227).

195302690901 is a wasteful number, since it uses less digits than its factorization.

195302690901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558872 (or 558869 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

It can be divided in two parts, 195302690 and 901, that added together give a palindrome (195303591).

The spelling of 195302690901 in words is "one hundred ninety-five billion, three hundred two million, six hundred ninety thousand, nine hundred one".