253430342215453 has 8 divisors (see below), whose sum is σ = 272926740603608. Its totient is φ = 233934194781504.

The previous prime is 253430342215451. The next prime is 253430342215481. The reversal of 253430342215453 is 354512243034352.

It can be written as a sum of positive squares in 4 ways, for example, as 105343907183524 + 148086435031929 = 10263718^2 + 12169077^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 253430342215453 - 2¹ = 253430342215451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253430342215451) 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, 60638526 + ... + 64683007.

It is an arithmetic number, because the mean of its divisors is an integer number (34115842575451).

Almost surely, 2^{253430342215453} is an apocalyptic number.

It is an amenable number.

253430342215453 is a deficient number, since it is larger than the sum of its proper divisors (19496398388155).

253430342215453 is a wasteful number, since it uses less digits than its factorization.

253430342215453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125477103.

The product of its (nonzero) digits is 5184000, while the sum is 46.

The spelling of 253430342215453 in words is "two hundred fifty-three trillion, four hundred thirty billion, three hundred forty-two million, two hundred fifteen thousand, four hundred fifty-three".