1416680543491 has 2 divisors, whose sum is σ = 1416680543492. Its totient is φ = 1416680543490.

The previous prime is 1416680543477. The next prime is 1416680543513. The reversal of 1416680543491 is 1943450866141.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1416680543491 - 2¹³ = 1416680535299 is a prime.

It is not a weakly prime, because it can be changed into another prime (1416680643491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 708340271745 + 708340271746.

It is an arithmetic number, because the mean of its divisors is an integer number (708340271746).

Almost surely, 2^{1416680543491} is an apocalyptic number.

1416680543491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1416680543491 is an equidigital number, since it uses as much as digits as its factorization.

1416680543491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 1416680543491 in words is "one trillion, four hundred sixteen billion, six hundred eighty million, five hundred forty-three thousand, four hundred ninety-one".