242514511493 has 2 divisors, whose sum is σ = 242514511494. Its totient is φ = 242514511492.

The previous prime is 242514511487. The next prime is 242514511549. The reversal of 242514511493 is 394115415242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212468449249 + 30046062244 = 460943^2 + 173338^2 .

It is a cyclic number.

It is not a de Polignac number, because 242514511493 - 2³² = 238219544197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242514511493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242514514493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121257255746 + 121257255747.

It is an arithmetic number, because the mean of its divisors is an integer number (121257255747).

Almost surely, 2^242514511493 is an apocalyptic number.

It is an amenable number.

242514511493 is a deficient number, since it is larger than the sum of its proper divisors (1).

242514511493 is an equidigital number, since it uses as much as digits as its factorization.

242514511493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 41.

The spelling of 242514511493 in words is "two hundred forty-two billion, five hundred fourteen million, five hundred eleven thousand, four hundred ninety-three".