253445033029 has 4 divisors (see below), whose sum is σ = 257227794784. Its totient is φ = 249662271276.

The previous prime is 253445032999. The next prime is 253445033041. The reversal of 253445033029 is 920330544352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253445033029 - 2³³ = 244855098437 is a prime.

It is a super-3 number, since 3×253445033029³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253445032982 and 253445033000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253445033629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1891380777 + ... + 1891380910.

It is an arithmetic number, because the mean of its divisors is an integer number (64306948696).

Almost surely, 2^253445033029 is an apocalyptic number.

It is an amenable number.

253445033029 is a deficient number, since it is larger than the sum of its proper divisors (3782761755).

253445033029 is an equidigital number, since it uses as much as digits as its factorization.

253445033029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3782761754.

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 253445033029 in words is "two hundred fifty-three billion, four hundred forty-five million, thirty-three thousand, twenty-nine".