195077691422 has 4 divisors (see below), whose sum is σ = 292616537136. Its totient is φ = 97538845710.

The previous prime is 195077691421. The next prime is 195077691547. The reversal of 195077691422 is 224196770591.

195077691422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195077691421) 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 as a sum of consecutive naturals, namely, 48769422854 + ... + 48769422857.

It is an arithmetic number, because the mean of its divisors is an integer number (73154134284).

Almost surely, 2^195077691422 is an apocalyptic number.

195077691422 is a deficient number, since it is larger than the sum of its proper divisors (97538845714).

195077691422 is an equidigital number, since it uses as much as digits as its factorization.

195077691422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97538845713.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 195077691422 in words is "one hundred ninety-five billion, seventy-seven million, six hundred ninety-one thousand, four hundred twenty-two".