253313620043 has 32 divisors (see below), whose sum is σ = 296040407040. Its totient is φ = 214195138560.

The previous prime is 253313620003. The next prime is 253313620061. The reversal of 253313620043 is 340026313352.

It is a cyclic number.

It is not a de Polignac number, because 253313620043 - 2⁸ = 253313619787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253313619991 and 253313620009.

It is not an unprimeable number, because it can be changed into a prime (253313620003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13032230 + ... + 13051652.

It is an arithmetic number, because the mean of its divisors is an integer number (9251262720).

Almost surely, 2^253313620043 is an apocalyptic number.

253313620043 is a deficient number, since it is larger than the sum of its proper divisors (42726786997).

253313620043 is a wasteful number, since it uses less digits than its factorization.

253313620043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20267.

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 253313620043 its reverse (340026313352), we get a palindrome (593339933395).

The spelling of 253313620043 in words is "two hundred fifty-three billion, three hundred thirteen million, six hundred twenty thousand, forty-three".