42811685346 has 32 divisors (see below), whose sum is σ = 85759015680. Its totient is φ = 14247977744.

The previous prime is 42811685341. The next prime is 42811685351. The reversal of 42811685346 is 64358611824.

It is an interprime number because it is at equal distance from previous prime (42811685341) and next prime (42811685351).

It is a super-2 number, since 2×42811685346² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42811685295 and 42811685304.

It is not an unprimeable number, because it can be changed into a prime (42811685341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18302245 + ... + 18304583.

It is an arithmetic number, because the mean of its divisors is an integer number (2679969240).

Almost surely, 2^42811685346 is an apocalyptic number.

42811685346 is an abundant number, since it is smaller than the sum of its proper divisors (42947330334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42811685346 is a wasteful number, since it uses less digits than its factorization.

42811685346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5870.

The product of its digits is 1105920, while the sum is 48.

The spelling of 42811685346 in words is "forty-two billion, eight hundred eleven million, six hundred eighty-five thousand, three hundred forty-six".