253530443294 has 16 divisors (see below), whose sum is σ = 386309056896. Its totient is φ = 124766842200.

The previous prime is 253530443293. The next prime is 253530443323. The reversal of 253530443294 is 492344035352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253530443293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1437452 + ... + 1604159.

It is an arithmetic number, because the mean of its divisors is an integer number (24144316056).

Almost surely, 2^253530443294 is an apocalyptic number.

253530443294 is a deficient number, since it is larger than the sum of its proper divisors (132778613602).

253530443294 is a wasteful number, since it uses less digits than its factorization.

253530443294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042271.

The product of its (nonzero) digits is 1555200, while the sum is 44.

The spelling of 253530443294 in words is "two hundred fifty-three billion, five hundred thirty million, four hundred forty-three thousand, two hundred ninety-four".