242026642502153 has 4 divisors (see below), whose sum is σ = 242027302390788. Its totient is φ = 242025982613520.

The previous prime is 242026642502147. The next prime is 242026642502159. The reversal of 242026642502153 is 351205246620242.

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

It is an interprime number because it is at equal distance from previous prime (242026642502147) and next prime (242026642502159).

It can be written as a sum of positive squares in 2 ways, for example, as 238164741512569 + 3861900989584 = 15432587^2 + 1965172^2 .

It is a cyclic number.

It is not a de Polignac number, because 242026642502153 - 2²⁰ = 242026641453577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242026642502159) 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, 329393858 + ... + 330127803.

It is an arithmetic number, because the mean of its divisors is an integer number (60506825597697).

Almost surely, 2^{242026642502153} is an apocalyptic number.

It is an amenable number.

242026642502153 is a deficient number, since it is larger than the sum of its proper divisors (659888635).

242026642502153 is an equidigital number, since it uses as much as digits as its factorization.

242026642502153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659888634.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 242026642502153 in words is "two hundred forty-two trillion, twenty-six billion, six hundred forty-two million, five hundred two thousand, one hundred fifty-three".