1421688547337 has 2 divisors, whose sum is σ = 1421688547338. Its totient is φ = 1421688547336.

The previous prime is 1421688547313. The next prime is 1421688547381. The reversal of 1421688547337 is 7337458861241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1332925666576 + 88762880761 = 1154524^2 + 297931^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421688547337 - 2⁶ = 1421688547273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1421688547537) by changing a digit.

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, 710844273668 + 710844273669.

It is an arithmetic number, because the mean of its divisors is an integer number (710844273669).

Almost surely, 2^{1421688547337} is an apocalyptic number.

It is an amenable number.

1421688547337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421688547337 is an equidigital number, since it uses as much as digits as its factorization.

1421688547337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27095040, while the sum is 59.

The spelling of 1421688547337 in words is "one trillion, four hundred twenty-one billion, six hundred eighty-eight million, five hundred forty-seven thousand, three hundred thirty-seven".