2265643029 has 48 divisors (see below), whose sum is σ = 3420114432. Its totient is φ = 1325808000.

The previous prime is 2265643001. The next prime is 2265643103. The reversal of 2265643029 is 9203465622.

It is not a de Polignac number, because 2265643029 - 2⁵ = 2265642997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265643229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2285724 + ... + 2286714.

It is an arithmetic number, because the mean of its divisors is an integer number (71252384).

Almost surely, 2^2265643029 is an apocalyptic number.

It is an amenable number.

2265643029 is a deficient number, since it is larger than the sum of its proper divisors (1154471403).

2265643029 is a wasteful number, since it uses less digits than its factorization.

2265643029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 2265643029 is about 47598.7712971669. The cubic root of 2265643029 is about 1313.4004519553.

The spelling of 2265643029 in words is "two billion, two hundred sixty-five million, six hundred forty-three thousand, twenty-nine".