1421688547404 has 36 divisors (see below), whose sum is σ = 3709638936640. Its totient is φ = 458609208480.

The previous prime is 1421688547381. The next prime is 1421688547441. The reversal of 1421688547404 is 4047458861241.

1421688547404 is a `hidden beast` number, since 1 + 4 + 2 + 16 + 88 + 547 + 4 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 636956119 + ... + 636958350.

Almost surely, 2^{1421688547404} is an apocalyptic number.

It is an amenable number.

1421688547404 is an abundant number, since it is smaller than the sum of its proper divisors (2287950389236).

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

1421688547404 is a wasteful number, since it uses less digits than its factorization.

1421688547404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273914510 (or 1273914505 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 54.

The spelling of 1421688547404 in words is "one trillion, four hundred twenty-one billion, six hundred eighty-eight million, five hundred forty-seven thousand, four hundred four".