427665210512342 has 16 divisors (see below), whose sum is σ = 704006312792832. Its totient is φ = 193229245902120.

The previous prime is 427665210512321. The next prime is 427665210512357. The reversal of 427665210512342 is 243215012566724.

It is a happy number.

It is a super-2 number, since 2×427665210512342² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58201576418 + ... + 58201583765.

It is an arithmetic number, because the mean of its divisors is an integer number (44000394549552).

Almost surely, 2^{427665210512342} is an apocalyptic number.

427665210512342 is a deficient number, since it is larger than the sum of its proper divisors (276341102280490).

427665210512342 is a wasteful number, since it uses less digits than its factorization.

427665210512342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116403160363.

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 427665210512342 in words is "four hundred twenty-seven trillion, six hundred sixty-five billion, two hundred ten million, five hundred twelve thousand, three hundred forty-two".