42835850899972 has 12 divisors (see below), whose sum is σ = 80729103619276. Its totient is φ = 19770392723040.

The previous prime is 42835850899969. The next prime is 42835850899987. The reversal of 42835850899972 is 27999805853824.

It can be written as a sum of positive squares in 2 ways, for example, as 15524419530816 + 27311431369156 = 3940104^2 + 5226034^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42835850899892 and 42835850899901.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411883181679 + ... + 411883181782.

Almost surely, 2^{42835850899972} is an apocalyptic number.

It is an amenable number.

42835850899972 is a deficient number, since it is larger than the sum of its proper divisors (37893252719304).

42835850899972 is a wasteful number, since it uses less digits than its factorization.

42835850899972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823766363478 (or 823766363476 counting only the distinct ones).

The product of its (nonzero) digits is 3135283200, while the sum is 79.

The spelling of 42835850899972 in words is "forty-two trillion, eight hundred thirty-five billion, eight hundred fifty million, eight hundred ninety-nine thousand, nine hundred seventy-two".