34253021243 has 4 divisors (see below), whose sum is σ = 39146310000. Its totient is φ = 29359732488.

The previous prime is 34253021197. The next prime is 34253021269. The reversal of 34253021243 is 34212035243.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 34253021243 - 2¹⁶ = 34252955707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34253021273) 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, 2446644368 + ... + 2446644381.

It is an arithmetic number, because the mean of its divisors is an integer number (9786577500).

Almost surely, 2^34253021243 is an apocalyptic number.

34253021243 is a deficient number, since it is larger than the sum of its proper divisors (4893288757).

34253021243 is an equidigital number, since it uses as much as digits as its factorization.

34253021243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893288756.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 34253021243 its reverse (34212035243), we get a palindrome (68465056486).

The spelling of 34253021243 in words is "thirty-four billion, two hundred fifty-three million, twenty-one thousand, two hundred forty-three".