253342663465 has 4 divisors (see below), whose sum is σ = 304011196164. Its totient is φ = 202674130768.

The previous prime is 253342663463. The next prime is 253342663529. The reversal of 253342663465 is 564366243352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118515636121 + 134827027344 = 344261^2 + 367188^2 .

It is a cyclic number.

It is not a de Polignac number, because 253342663465 - 2¹ = 253342663463 is a prime.

It is a super-3 number, since 3×253342663465³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253342663463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25334266342 + ... + 25334266351.

It is an arithmetic number, because the mean of its divisors is an integer number (76002799041).

Almost surely, 2^253342663465 is an apocalyptic number.

It is an amenable number.

253342663465 is a deficient number, since it is larger than the sum of its proper divisors (50668532699).

253342663465 is an equidigital number, since it uses as much as digits as its factorization.

253342663465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50668532698.

The product of its digits is 9331200, while the sum is 49.

The spelling of 253342663465 in words is "two hundred fifty-three billion, three hundred forty-two million, six hundred sixty-three thousand, four hundred sixty-five".