42793629489 has 24 divisors (see below), whose sum is σ = 66826933992. Its totient is φ = 26232053760.

The previous prime is 42793629481. The next prime is 42793629503. The reversal of 42793629489 is 98492639724.

42793629489 is a `hidden beast` number, since 4 + 2 + 7 + 93 + 62 + 9 + 489 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6434767089 + 36358862400 = 80217^2 + 190680^2 .

It is not a de Polignac number, because 42793629489 - 2³ = 42793629481 is a prime.

It is a super-2 number, since 2×42793629489² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42793629481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 681522 + ... + 741659.

It is an arithmetic number, because the mean of its divisors is an integer number (2784455583).

Almost surely, 2^42793629489 is an apocalyptic number.

It is an amenable number.

42793629489 is a deficient number, since it is larger than the sum of its proper divisors (24033304503).

42793629489 is a wasteful number, since it uses less digits than its factorization.

42793629489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423457 (or 1423454 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The spelling of 42793629489 in words is "forty-two billion, seven hundred ninety-three million, six hundred twenty-nine thousand, four hundred eighty-nine".