1418195805 has 16 divisors (see below), whose sum is σ = 2443660800. Its totient is φ = 698188608.

The previous prime is 1418195791. The next prime is 1418195809. The reversal of 1418195805 is 5085918141.

It is not a de Polignac number, because 1418195805 - 2⁹ = 1418195293 is a prime.

It is a super-2 number, since 2×1418195805² = 4022558682639196050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1418195809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3636205 + ... + 3636594.

It is an arithmetic number, because the mean of its divisors is an integer number (152728800).

Almost surely, 2^1418195805 is an apocalyptic number.

1418195805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1418195805 is a deficient number, since it is larger than the sum of its proper divisors (1025464995).

1418195805 is a wasteful number, since it uses less digits than its factorization.

1418195805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7272820.

The product of its (nonzero) digits is 57600, while the sum is 42.

The square root of 1418195805 is about 37658.9405719279. The cubic root of 1418195805 is about 1123.5146303043.

The spelling of 1418195805 in words is "one billion, four hundred eighteen million, one hundred ninety-five thousand, eight hundred five".