42942056599658 has 64 divisors (see below), whose sum is σ = 69407047977120. Its totient is φ = 19885267046400.

The previous prime is 42942056599601. The next prime is 42942056599679. The reversal of 42942056599658 is 85699565024924.

It can be written as a sum of positive squares in 16 ways, for example, as 2772281610289 + 40169774989369 = 1665017^2 + 6337963^2 .

It is a super-3 number, since 3×42942056599658³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359248910 + ... + 359368422.

Almost surely, 2^{42942056599658} is an apocalyptic number.

42942056599658 is a deficient number, since it is larger than the sum of its proper divisors (26464991377462).

42942056599658 is a wasteful number, since it uses less digits than its factorization.

42942056599658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122123.

The product of its (nonzero) digits is 1679616000, while the sum is 74.

The spelling of 42942056599658 in words is "forty-two trillion, nine hundred forty-two billion, fifty-six million, five hundred ninety-nine thousand, six hundred fifty-eight".