1421688547350 has 72 divisors (see below), whose sum is σ = 3876612316200. Its totient is φ = 373458476160.

The previous prime is 1421688547337. The next prime is 1421688547381. The reversal of 1421688547350 is 537458861241.

It is a happy number.

1421688547350 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 68 + 8 + 547 + 35 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23546775 + ... + 23607074.

It is an arithmetic number, because the mean of its divisors is an integer number (53841837725).

Almost surely, 2^{1421688547350} is an apocalyptic number.

1421688547350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421688547350 is an abundant number, since it is smaller than the sum of its proper divisors (2454923768850).

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

1421688547350 is a wasteful number, since it uses less digits than its factorization.

1421688547350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47153934 (or 47153926 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 1421688547350 in words is "one trillion, four hundred twenty-one billion, six hundred eighty-eight million, five hundred forty-seven thousand, three hundred fifty".