242860621707 has 16 divisors (see below), whose sum is σ = 392502015360. Its totient is φ = 147188255400.

The previous prime is 242860621699. The next prime is 242860621709. The reversal of 242860621707 is 707126068242.

It is a happy number.

242860621707 is a `hidden beast` number, since 2 + 4 + 28 + 606 + 2 + 17 + 0 + 7 = 666.

It is not a de Polignac number, because 242860621707 - 2³ = 242860621699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242860621709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408855969 + ... + 408856562.

It is an arithmetic number, because the mean of its divisors is an integer number (24531375960).

Almost surely, 2^242860621707 is an apocalyptic number.

242860621707 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

242860621707 is a deficient number, since it is larger than the sum of its proper divisors (149641393653).

242860621707 is a wasteful number, since it uses less digits than its factorization.

242860621707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817712551 (or 817712545 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

Adding to 242860621707 its reverse (707126068242), we get a palindrome (949986689949).

The spelling of 242860621707 in words is "two hundred forty-two billion, eight hundred sixty million, six hundred twenty-one thousand, seven hundred seven".