195414590421 has 32 divisors (see below), whose sum is σ = 295759718400. Its totient is φ = 127462734000.

The previous prime is 195414590411. The next prime is 195414590447. The reversal of 195414590421 is 124095414591.

195414590421 is a `hidden beast` number, since 1 + 9 + 5 + 4 + 14 + 590 + 42 + 1 = 666.

It is not a de Polignac number, because 195414590421 - 2¹⁰ = 195414589397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195414590411) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4112046 + ... + 4159296.

It is an arithmetic number, because the mean of its divisors is an integer number (9242491200).

Almost surely, 2^195414590421 is an apocalyptic number.

It is an amenable number.

195414590421 is a deficient number, since it is larger than the sum of its proper divisors (100345127979).

195414590421 is a wasteful number, since it uses less digits than its factorization.

195414590421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50566 (or 50560 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 195414590421 in words is "one hundred ninety-five billion, four hundred fourteen million, five hundred ninety thousand, four hundred twenty-one".