1434869111 has 4 divisors (see below), whose sum is σ = 1545243672. Its totient is φ = 1324494552.

The previous prime is 1434869083. The next prime is 1434869143. The reversal of 1434869111 is 1119684341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1119684341 = 61 ⋅18355481.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1434869111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434869171) 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, 55187261 + ... + 55187286.

It is an arithmetic number, because the mean of its divisors is an integer number (386310918).

Almost surely, 2^1434869111 is an apocalyptic number.

1434869111 is a deficient number, since it is larger than the sum of its proper divisors (110374561).

1434869111 is a wasteful number, since it uses less digits than its factorization.

1434869111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110374560.

The product of its digits is 20736, while the sum is 38.

The square root of 1434869111 is about 37879.6661944110. Note that the first 3 decimals coincide. The cubic root of 1434869111 is about 1127.9004298103.

The spelling of 1434869111 in words is "one billion, four hundred thirty-four million, eight hundred sixty-nine thousand, one hundred eleven".