2028457653 has 16 divisors (see below), whose sum is σ = 2823952896. Its totient is φ = 1292706800.

The previous prime is 2028457637. The next prime is 2028457661. The reversal of 2028457653 is 3567548202.

It is a cyclic number.

It is not a de Polignac number, because 2028457653 - 2⁴ = 2028457637 is a prime.

It is a super-2 number, since 2×2028457653² = 8229280900028536818, 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 (2028457633) 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, 115078 + ... + 131528.

It is an arithmetic number, because the mean of its divisors is an integer number (176497056).

Almost surely, 2^2028457653 is an apocalyptic number.

2028457653 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2028457653 is a deficient number, since it is larger than the sum of its proper divisors (795495243).

2028457653 is a wasteful number, since it uses less digits than its factorization.

2028457653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18264.

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 2028457653 is about 45038.4019809762. The cubic root of 2028457653 is about 1265.8686619564.

The spelling of 2028457653 in words is "two billion, twenty-eight million, four hundred fifty-seven thousand, six hundred fifty-three".