42851057451873 has 16 divisors (see below), whose sum is σ = 63778318070016. Its totient is φ = 25366376503440.

The previous prime is 42851057451859. The next prime is 42851057452037. The reversal of 42851057451873 is 37815475015824.

It is not a de Polignac number, because 42851057451873 - 2¹⁰ = 42851057450849 is a prime.

It is a super-2 number, since 2×42851057451873² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42851057451833) 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, 15099032215 + ... + 15099035052.

It is an arithmetic number, because the mean of its divisors is an integer number (3986144879376).

Almost surely, 2^{42851057451873} is an apocalyptic number.

42851057451873 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

42851057451873 is a deficient number, since it is larger than the sum of its proper divisors (20927260618143).

42851057451873 is a wasteful number, since it uses less digits than its factorization.

42851057451873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30198067324.

The product of its (nonzero) digits is 37632000, while the sum is 60.

The spelling of 42851057451873 in words is "forty-two trillion, eight hundred fifty-one billion, fifty-seven million, four hundred fifty-one thousand, eight hundred seventy-three".