1434740869 has 4 divisors (see below), whose sum is σ = 1448670496. Its totient is φ = 1420811244.

The previous prime is 1434740837. The next prime is 1434740873. The reversal of 1434740869 is 9680474341.

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: 9680474341 = 599 ⋅16161059.

It is a cyclic number.

It is not a de Polignac number, because 1434740869 - 2⁵ = 1434740837 is a prime.

It is a super-2 number, since 2×1434740869² = 4116962722357750322, 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 (1434740569) 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, 6964659 + ... + 6964864.

It is an arithmetic number, because the mean of its divisors is an integer number (362167624).

Almost surely, 2^1434740869 is an apocalyptic number.

It is an amenable number.

1434740869 is a deficient number, since it is larger than the sum of its proper divisors (13929627).

1434740869 is a wasteful number, since it uses less digits than its factorization.

1434740869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13929626.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 1434740869 is about 37877.9734014374. The cubic root of 1434740869 is about 1127.8668266254.

The spelling of 1434740869 in words is "one billion, four hundred thirty-four million, seven hundred forty thousand, eight hundred sixty-nine".