342742357665 has 32 divisors (see below), whose sum is σ = 609878505600. Its totient is φ = 182628296640.

The previous prime is 342742357663. The next prime is 342742357667. The reversal of 342742357665 is 566753247243.

342742357665 is a `hidden beast` number, since 3 + 4 + 2 + 7 + 4 + 2 + 3 + 576 + 65 = 666.

It is an interprime number because it is at equal distance from previous prime (342742357663) and next prime (342742357667).

It is not a de Polignac number, because 342742357665 - 2¹ = 342742357663 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (342742357663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1016250 + ... + 1310819.

It is an arithmetic number, because the mean of its divisors is an integer number (19058703300).

Almost surely, 2^342742357665 is an apocalyptic number.

It is an amenable number.

342742357665 is a deficient number, since it is larger than the sum of its proper divisors (267136147935).

342742357665 is a wasteful number, since it uses less digits than its factorization.

342742357665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328174 (or 2328168 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 54.

The spelling of 342742357665 in words is "three hundred forty-two billion, seven hundred forty-two million, three hundred fifty-seven thousand, six hundred sixty-five".