42869698646 has 16 divisors (see below), whose sum is σ = 66163169520. Its totient is φ = 20819915520.

The previous prime is 42869698637. The next prime is 42869698649. The reversal of 42869698646 is 64689696824.

It is a super-2 number, since 2×42869698646² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42869698649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132931 + ... + 1170158.

It is an arithmetic number, because the mean of its divisors is an integer number (4135198095).

Almost surely, 2^42869698646 is an apocalyptic number.

42869698646 is a deficient number, since it is larger than the sum of its proper divisors (23293470874).

42869698646 is a wasteful number, since it uses less digits than its factorization.

42869698646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303359.

The product of its digits is 214990848, while the sum is 68.

The spelling of 42869698646 in words is "forty-two billion, eight hundred sixty-nine million, six hundred ninety-eight thousand, six hundred forty-six".