253533914659 has 4 divisors (see below), whose sum is σ = 254399218416. Its totient is φ = 252668610904.

The previous prime is 253533914657. The next prime is 253533914677. The reversal of 253533914659 is 956419335352.

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 253533914659 - 2¹ = 253533914657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253533914657) 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, 432651439 + ... + 432652024.

It is an arithmetic number, because the mean of its divisors is an integer number (63599804604).

Almost surely, 2^253533914659 is an apocalyptic number.

253533914659 is a deficient number, since it is larger than the sum of its proper divisors (865303757).

253533914659 is an equidigital number, since it uses as much as digits as its factorization.

253533914659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865303756.

The product of its digits is 13122000, while the sum is 55.

The spelling of 253533914659 in words is "two hundred fifty-three billion, five hundred thirty-three million, nine hundred fourteen thousand, six hundred fifty-nine".