253483243657 has 8 divisors (see below), whose sum is σ = 291068100032. Its totient is φ = 216241628400.

The previous prime is 253483243633. The next prime is 253483243693. The reversal of 253483243657 is 756342384352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253483243657 - 2³¹ = 251335760009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253483243757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85808694 + ... + 85811647.

It is an arithmetic number, because the mean of its divisors is an integer number (36383512504).

Almost surely, 2^253483243657 is an apocalyptic number.

It is an amenable number.

253483243657 is a deficient number, since it is larger than the sum of its proper divisors (37584856375).

253483243657 is a wasteful number, since it uses less digits than its factorization.

253483243657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171620559.

The product of its digits is 14515200, while the sum is 52.

The spelling of 253483243657 in words is "two hundred fifty-three billion, four hundred eighty-three million, two hundred forty-three thousand, six hundred fifty-seven".