195346568137490 has 32 divisors (see below), whose sum is σ = 438388142523264. Its totient is φ = 60887242016640.

The previous prime is 195346568137447. The next prime is 195346568137507. The reversal of 195346568137490 is 94731865643591.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126848420099 + ... + 126848421638.

It is an arithmetic number, because the mean of its divisors is an integer number (13699629453852).

Almost surely, 2^{195346568137490} is an apocalyptic number.

195346568137490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195346568137490 is an abundant number, since it is smaller than the sum of its proper divisors (243041574385774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195346568137490 is a wasteful number, since it uses less digits than its factorization.

195346568137490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253696841762.

The product of its (nonzero) digits is 587865600, while the sum is 71.

The spelling of 195346568137490 in words is "one hundred ninety-five trillion, three hundred forty-six billion, five hundred sixty-eight million, one hundred thirty-seven thousand, four hundred ninety".