4028249235953 has 4 divisors (see below), whose sum is σ = 4265205073380. Its totient is φ = 3791293398528.

The previous prime is 4028249235931. The next prime is 4028249236003. The reversal of 4028249235953 is 3595329428204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2293265008609 + 1734984227344 = 1514353^2 + 1317188^2 .

It is a cyclic number.

It is not a de Polignac number, because 4028249235953 - 2¹⁴ = 4028249219569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4028249238953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118477918688 + ... + 118477918721.

It is an arithmetic number, because the mean of its divisors is an integer number (1066301268345).

Almost surely, 2^{4028249235953} is an apocalyptic number.

It is an amenable number.

4028249235953 is a deficient number, since it is larger than the sum of its proper divisors (236955837427).

4028249235953 is a wasteful number, since it uses less digits than its factorization.

4028249235953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236955837426.

The product of its (nonzero) digits is 18662400, while the sum is 56.

The spelling of 4028249235953 in words is "four trillion, twenty-eight billion, two hundred forty-nine million, two hundred thirty-five thousand, nine hundred fifty-three".