2069456465 has 8 divisors (see below), whose sum is σ = 2483611368. Its totient is φ = 1655389440.

The previous prime is 2069456437. The next prime is 2069456471. The reversal of 2069456465 is 5646549602.

It can be written as a sum of positive squares in 4 ways, for example, as 1218917569 + 850538896 = 34913^2 + 29164^2 .

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

It is not a de Polignac number, because 2069456465 - 2⁸ = 2069456209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53279 + ... + 83531.

It is an arithmetic number, because the mean of its divisors is an integer number (310451421).

Almost surely, 2^2069456465 is an apocalyptic number.

It is an amenable number.

2069456465 is a deficient number, since it is larger than the sum of its proper divisors (414154903).

2069456465 is a wasteful number, since it uses less digits than its factorization.

2069456465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43939.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The square root of 2069456465 is about 45491.2789993862. The cubic root of 2069456465 is about 1274.3403410665.

The spelling of 2069456465 in words is "two billion, sixty-nine million, four hundred fifty-six thousand, four hundred sixty-five".