1421356263671 has 2 divisors, whose sum is σ = 1421356263672. Its totient is φ = 1421356263670.

The previous prime is 1421356263623. The next prime is 1421356263773. The reversal of 1421356263671 is 1763626531241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1421356263671 - 2¹⁴ = 1421356247287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421356263601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710678131835 + 710678131836.

It is an arithmetic number, because the mean of its divisors is an integer number (710678131836).

Almost surely, 2^{1421356263671} is an apocalyptic number.

1421356263671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421356263671 is an equidigital number, since it uses as much as digits as its factorization.

1421356263671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 47.

The spelling of 1421356263671 in words is "one trillion, four hundred twenty-one billion, three hundred fifty-six million, two hundred sixty-three thousand, six hundred seventy-one".