2045656467 has 12 divisors (see below), whose sum is σ = 2976096760. Its totient is φ = 1353958848.

The previous prime is 2045656453. The next prime is 2045656469. The reversal of 2045656467 is 7646565402.

2045656467 is a `hidden beast` number, since 20 + 4 + 5 + 6 + 564 + 67 = 666.

It is not a de Polignac number, because 2045656467 - 2⁷ = 2045656339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045656469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 816358 + ... + 818859.

Almost surely, 2^2045656467 is an apocalyptic number.

2045656467 is a deficient number, since it is larger than the sum of its proper divisors (930440293).

2045656467 is a wasteful number, since it uses less digits than its factorization.

2045656467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635362 (or 1635359 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The square root of 2045656467 is about 45228.9339582529. The cubic root of 2045656467 is about 1269.4362651896.

The spelling of 2045656467 in words is "two billion, forty-five million, six hundred fifty-six thousand, four hundred sixty-seven".