195423225290 has 32 divisors (see below), whose sum is σ = 371017800000. Its totient is φ = 73906674048.

The previous prime is 195423225251. The next prime is 195423225293. The reversal of 195423225290 is 92522324591.

It is not an unprimeable number, because it can be changed into a prime (195423225293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 935795 + ... + 1125414.

It is an arithmetic number, because the mean of its divisors is an integer number (11594306250).

Almost surely, 2^195423225290 is an apocalyptic number.

195423225290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195423225290 is a deficient number, since it is larger than the sum of its proper divisors (175594574710).

195423225290 is a wasteful number, since it uses less digits than its factorization.

195423225290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061734.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 195423225290 in words is "one hundred ninety-five billion, four hundred twenty-three million, two hundred twenty-five thousand, two hundred ninety".