1421688547351 has 16 divisors (see below), whose sum is σ = 1518345962496. Its totient is φ = 1327949241696.

The previous prime is 1421688547337. The next prime is 1421688547381. The reversal of 1421688547351 is 1537458861241.

It is not a de Polignac number, because 1421688547351 - 2¹⁷ = 1421688416279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1421688547292 and 1421688547301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421688547381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4252861 + ... + 4574953.

It is an arithmetic number, because the mean of its divisors is an integer number (94896622656).

Almost surely, 2^{1421688547351} is an apocalyptic number.

1421688547351 is a deficient number, since it is larger than the sum of its proper divisors (96657415145).

1421688547351 is a wasteful number, since it uses less digits than its factorization.

1421688547351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326622.

The product of its digits is 6451200, while the sum is 55.

The spelling of 1421688547351 in words is "one trillion, four hundred twenty-one billion, six hundred eighty-eight million, five hundred forty-seven thousand, three hundred fifty-one".