1418605969 has 4 divisors (see below), whose sum is σ = 1547570160. Its totient is φ = 1289641780.

The previous prime is 1418605939. The next prime is 1418606009. The reversal of 1418605969 is 9695068141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9695068141 = 11 ⋅881369831.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1418605969 is a prime.

It is a super-2 number, since 2×1418605969² = 4024885790564857922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1418605939) 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, 64482079 + ... + 64482100.

It is an arithmetic number, because the mean of its divisors is an integer number (386892540).

Almost surely, 2^1418605969 is an apocalyptic number.

It is an amenable number.

1418605969 is a deficient number, since it is larger than the sum of its proper divisors (128964191).

1418605969 is a wasteful number, since it uses less digits than its factorization.

1418605969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128964190.

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 1418605969 is about 37664.3859501254. The cubic root of 1418605969 is about 1123.6229324241.

The spelling of 1418605969 in words is "one billion, four hundred eighteen million, six hundred five thousand, nine hundred sixty-nine".