242987555629 has 32 divisors (see below), whose sum is σ = 301378129920. Its totient is φ = 190766232000.

The previous prime is 242987555581. The next prime is 242987555639. The reversal of 242987555629 is 926555789242.

It is a cyclic number.

It is not a de Polignac number, because 242987555629 - 2⁹ = 242987555117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242987555639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29733714 + ... + 29741884.

It is an arithmetic number, because the mean of its divisors is an integer number (9418066560).

Almost surely, 2^242987555629 is an apocalyptic number.

It is an amenable number.

242987555629 is a deficient number, since it is larger than the sum of its proper divisors (58390574291).

242987555629 is a wasteful number, since it uses less digits than its factorization.

242987555629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10681.

The product of its digits is 108864000, while the sum is 64.

The spelling of 242987555629 in words is "two hundred forty-two billion, nine hundred eighty-seven million, five hundred fifty-five thousand, six hundred twenty-nine".