253463645045 has 32 divisors (see below), whose sum is σ = 337323614208. Its totient is φ = 181617562368.

The previous prime is 253463645033. The next prime is 253463645047. The reversal of 253463645045 is 540546364352.

It is a cyclic number.

It is not a de Polignac number, because 253463645045 - 2¹⁸ = 253463382901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253463645047) 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, 739052 + ... + 1026218.

It is an arithmetic number, because the mean of its divisors is an integer number (10541362944).

Almost surely, 2^253463645045 is an apocalyptic number.

It is an amenable number.

253463645045 is a deficient number, since it is larger than the sum of its proper divisors (83859969163).

253463645045 is a wasteful number, since it uses less digits than its factorization.

253463645045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287589.

The product of its (nonzero) digits is 5184000, while the sum is 47.

The spelling of 253463645045 in words is "two hundred fifty-three billion, four hundred sixty-three million, six hundred forty-five thousand, forty-five".