242313667786 has 4 divisors (see below), whose sum is σ = 363470501682. Its totient is φ = 121156833892.

The previous prime is 242313667781. The next prime is 242313667789. The reversal of 242313667786 is 687766313242.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 148413710025 + 93899957761 = 385245^2 + 306431^2 .

It is not an unprimeable number, because it can be changed into a prime (242313667781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60578416945 + ... + 60578416948.

Almost surely, 2^242313667786 is an apocalyptic number.

242313667786 is a deficient number, since it is larger than the sum of its proper divisors (121156833896).

242313667786 is a wasteful number, since it uses less digits than its factorization.

242313667786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121156833895.

The product of its digits is 12192768, while the sum is 55.

The spelling of 242313667786 in words is "two hundred forty-two billion, three hundred thirteen million, six hundred sixty-seven thousand, seven hundred eighty-six".