242663061321615 has 16 divisors (see below), whose sum is σ = 423557343398016. Its totient is φ = 117654817610400.

The previous prime is 242663061321599. The next prime is 242663061321631. The reversal of 242663061321615 is 516123160366242.

It is an interprime number because it is at equal distance from previous prime (242663061321599) and next prime (242663061321631).

It is not a de Polignac number, because 242663061321615 - 2⁴ = 242663061321599 is a prime.

It is a super-2 number, since 2×242663061321615² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735342609901 + ... + 735342610230.

It is an arithmetic number, because the mean of its divisors is an integer number (26472333962376).

Almost surely, 2^{242663061321615} is an apocalyptic number.

242663061321615 is a deficient number, since it is larger than the sum of its proper divisors (180894282076401).

242663061321615 is a wasteful number, since it uses less digits than its factorization.

242663061321615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470685220150.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 242663061321615 in words is "two hundred forty-two trillion, six hundred sixty-three billion, sixty-one million, three hundred twenty-one thousand, six hundred fifteen".