1416420091 has 2 divisors, whose sum is σ = 1416420092. Its totient is φ = 1416420090.

The previous prime is 1416420079. The next prime is 1416420119. The reversal of 1416420091 is 1900246141.

It is an a-pointer prime, because the next prime (1416420119) can be obtained adding 1416420091 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1416420091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1416420041) 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 as a sum of consecutive naturals, namely, 708210045 + 708210046.

It is an arithmetic number, because the mean of its divisors is an integer number (708210046).

Almost surely, 2^1416420091 is an apocalyptic number.

1416420091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1416420091 is an equidigital number, since it uses as much as digits as its factorization.

1416420091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1416420091 is about 37635.3569266986. The cubic root of 1416420091 is about 1123.0455192713.

The spelling of 1416420091 in words is "one billion, four hundred sixteen million, four hundred twenty thousand, ninety-one".