1418939669 has 8 divisors (see below), whose sum is σ = 1624647168. Its totient is φ = 1213982640.

The previous prime is 1418939633. The next prime is 1418939699. The reversal of 1418939669 is 9669398141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1418939669 is a prime.

It is a super-2 number, since 2×1418939669² = 4026779568523659122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1418939699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183557 + ... + 191130.

It is an arithmetic number, because the mean of its divisors is an integer number (203080896).

Almost surely, 2^1418939669 is an apocalyptic number.

It is an amenable number.

1418939669 is a deficient number, since it is larger than the sum of its proper divisors (205707499).

1418939669 is an equidigital number, since it uses as much as digits as its factorization.

1418939669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375235.

The product of its digits is 2519424, while the sum is 56.

The square root of 1418939669 is about 37668.8156038918. The cubic root of 1418939669 is about 1123.7110291389.

The spelling of 1418939669 in words is "one billion, four hundred eighteen million, nine hundred thirty-nine thousand, six hundred sixty-nine".