1421910535684 has 6 divisors (see below), whose sum is σ = 2488343437454. Its totient is φ = 710955267840.

The previous prime is 1421910535673. The next prime is 1421910535699. The reversal of 1421910535684 is 4865350191241.

It can be written as a sum of positive squares in only one way, i.e., 1374592104900 + 47318430784 = 1172430^2 + 217528^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177738816957 + ... + 177738816964.

Almost surely, 2^{1421910535684} is an apocalyptic number.

It is an amenable number.

1421910535684 is a deficient number, since it is larger than the sum of its proper divisors (1066432901770).

1421910535684 is a wasteful number, since it uses less digits than its factorization.

1421910535684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355477633925 (or 355477633923 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 1421910535684 in words is "one trillion, four hundred twenty-one billion, nine hundred ten million, five hundred thirty-five thousand, six hundred eighty-four".