1418856149 has 2 divisors, whose sum is σ = 1418856150. Its totient is φ = 1418856148.

The previous prime is 1418856139. The next prime is 1418856167. The reversal of 1418856149 is 9416588141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1231659025 + 187197124 = 35095^2 + 13682^2 .

It is a cyclic number.

It is not a de Polignac number, because 1418856149 - 2¹⁶ = 1418790613 is a prime.

It is a super-2 number, since 2×1418856149² = 4026305543110220402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1418856139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 709428074 + 709428075.

It is an arithmetic number, because the mean of its divisors is an integer number (709428075).

Almost surely, 2^1418856149 is an apocalyptic number.

It is an amenable number.

1418856149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1418856149 is an equidigital number, since it uses as much as digits as its factorization.

1418856149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 47.

The square root of 1418856149 is about 37667.7069782592. The cubic root of 1418856149 is about 1123.6889811762.

The spelling of 1418856149 in words is "one billion, four hundred eighteen million, eight hundred fifty-six thousand, one hundred forty-nine".