1214469889 has 8 divisors (see below), whose sum is σ = 1223447720. Its totient is φ = 1205508096.

The previous prime is 1214469869. The next prime is 1214469899. The reversal of 1214469889 is 9889644121.

It can be written as a sum of positive squares in 4 ways, for example, as 303456400 + 911013489 = 17420^2 + 30183^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1214469889 - 2¹¹ = 1214467841 is a prime.

It is a super-2 number, since 2×1214469889² = 2949874222575344642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214469869) 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, 177667 + ... + 184375.

It is an arithmetic number, because the mean of its divisors is an integer number (152930965).

Almost surely, 2^1214469889 is an apocalyptic number.

It is an amenable number.

1214469889 is a deficient number, since it is larger than the sum of its proper divisors (8977831).

1214469889 is a wasteful number, since it uses less digits than its factorization.

1214469889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8019.

The product of its digits is 995328, while the sum is 52.

The square root of 1214469889 is about 34849.2451711655. The cubic root of 1214469889 is about 1066.9127796139.

The spelling of 1214469889 in words is "one billion, two hundred fourteen million, four hundred sixty-nine thousand, eight hundred eighty-nine".