1418413081 has 4 divisors (see below), whose sum is σ = 1453008564. Its totient is φ = 1383817600.

The previous prime is 1418413067. The next prime is 1418413097. The reversal of 1418413081 is 1803148141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1803148141 = 40627 ⋅44383.

It can be written as a sum of positive squares in 2 ways, for example, as 180499225 + 1237913856 = 13435^2 + 35184^2 .

It is a cyclic number.

It is not a de Polignac number, because 1418413081 - 2¹⁷ = 1418282009 is a prime.

It is a super-2 number, since 2×1418413081² = 4023791336703825122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1418413021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17297680 + ... + 17297761.

It is an arithmetic number, because the mean of its divisors is an integer number (363252141).

Almost surely, 2^1418413081 is an apocalyptic number.

It is an amenable number.

1418413081 is a deficient number, since it is larger than the sum of its proper divisors (34595483).

1418413081 is an equidigital number, since it uses as much as digits as its factorization.

1418413081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34595482.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 1418413081 is about 37661.8252478554. The cubic root of 1418413081 is about 1123.5720037404.

The spelling of 1418413081 in words is "one billion, four hundred eighteen million, four hundred thirteen thousand, eighty-one".