2645757069 has 8 divisors (see below), whose sum is σ = 3528682080. Its totient is φ = 1763335056.

The previous prime is 2645757067. The next prime is 2645757071. The reversal of 2645757069 is 9607575462.

2645757069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2645757067) and next prime (2645757071).

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

It is not a de Polignac number, because 2645757069 - 2¹ = 2645757067 is a prime.

It is a super-2 number, since 2×2645757069² = 14000060936326941522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645757061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113299 + ... + 134640.

It is an arithmetic number, because the mean of its divisors is an integer number (441085260).

Almost surely, 2^2645757069 is an apocalyptic number.

It is an amenable number.

2645757069 is a deficient number, since it is larger than the sum of its proper divisors (882925011).

2645757069 is a wasteful number, since it uses less digits than its factorization.

2645757069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251499.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The square root of 2645757069 is about 51436.9232069726. The cubic root of 2645757069 is about 1383.0885576033.

The spelling of 2645757069 in words is "two billion, six hundred forty-five million, seven hundred fifty-seven thousand, sixty-nine".