253421712033 has 8 divisors (see below), whose sum is σ = 386166418368. Its totient is φ = 144812406864.

The previous prime is 253421711947. The next prime is 253421712073. The reversal of 253421712033 is 330217124352.

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

It is not a de Polignac number, because 253421712033 - 2²¹ = 253419614881 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 253421711985 and 253421712003.

It is not an unprimeable number, because it can be changed into a prime (253421712073) 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, 6033850266 + ... + 6033850307.

It is an arithmetic number, because the mean of its divisors is an integer number (48270802296).

Almost surely, 2^253421712033 is an apocalyptic number.

It is an amenable number.

253421712033 is a deficient number, since it is larger than the sum of its proper divisors (132744706335).

253421712033 is a wasteful number, since it uses less digits than its factorization.

253421712033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12067700583.

The product of its (nonzero) digits is 30240, while the sum is 33.

Adding to 253421712033 its reverse (330217124352), we get a palindrome (583638836385).

The spelling of 253421712033 in words is "two hundred fifty-three billion, four hundred twenty-one million, seven hundred twelve thousand, thirty-three".