253303781542 has 8 divisors (see below), whose sum is σ = 434235054096. Its totient is φ = 108558763512.

The previous prime is 253303781503. The next prime is 253303781551. The reversal of 253303781542 is 245187303352.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9046563613 + ... + 9046563640.

It is an arithmetic number, because the mean of its divisors is an integer number (54279381762).

Almost surely, 2^253303781542 is an apocalyptic number.

253303781542 is a deficient number, since it is larger than the sum of its proper divisors (180931272554).

253303781542 is a wasteful number, since it uses less digits than its factorization.

253303781542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18093127262.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 253303781542 in words is "two hundred fifty-three billion, three hundred three million, seven hundred eighty-one thousand, five hundred forty-two".