4469155809 has 16 divisors (see below), whose sum is σ = 6168446400. Its totient is φ = 2874787776.

The previous prime is 4469155799. The next prime is 4469155811. The reversal of 4469155809 is 9085519644.

It is not a de Polignac number, because 4469155809 - 2⁴ = 4469155793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4469155819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121107 + ... + 153639.

It is an arithmetic number, because the mean of its divisors is an integer number (385527900).

Almost surely, 2^4469155809 is an apocalyptic number.

It is an amenable number.

4469155809 is a deficient number, since it is larger than the sum of its proper divisors (1699290591).

4469155809 is a wasteful number, since it uses less digits than its factorization.

4469155809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34144.

The product of its (nonzero) digits is 1555200, while the sum is 51.

The square root of 4469155809 is about 66851.7449959236. The cubic root of 4469155809 is about 1647.1829260635.

The spelling of 4469155809 in words is "four billion, four hundred sixty-nine million, one hundred fifty-five thousand, eight hundred nine".