1418481091 has 2 divisors, whose sum is σ = 1418481092. Its totient is φ = 1418481090.

The previous prime is 1418481073. The next prime is 1418481137. The reversal of 1418481091 is 1901848141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1418481091 - 2²³ = 1410092483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1418481091.

It is not a weakly prime, because it can be changed into another prime (1418481011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 709240545 + 709240546.

It is an arithmetic number, because the mean of its divisors is an integer number (709240546).

Almost surely, 2^1418481091 is an apocalyptic number.

1418481091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1418481091 is an equidigital number, since it uses as much as digits as its factorization.

1418481091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 37.

The square root of 1418481091 is about 37662.7281406963. The cubic root of 1418481091 is about 1123.5899611117.

The spelling of 1418481091 in words is "one billion, four hundred eighteen million, four hundred eighty-one thousand, ninety-one".