851048013442 has 8 divisors (see below), whose sum is σ = 1392624022032. Its totient is φ = 386840006100.

The previous prime is 851048013401. The next prime is 851048013449. The reversal of 851048013442 is 244310840158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×851048013442² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 851048013395 and 851048013404.

It is not an unprimeable number, because it can be changed into a prime (851048013449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19342000284 + ... + 19342000327.

It is an arithmetic number, because the mean of its divisors is an integer number (174078002754).

Almost surely, 2^851048013442 is an apocalyptic number.

851048013442 is a deficient number, since it is larger than the sum of its proper divisors (541576008590).

851048013442 is a wasteful number, since it uses less digits than its factorization.

851048013442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38684000624.

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 851048013442 in words is "eight hundred fifty-one billion, forty-eight million, thirteen thousand, four hundred forty-two".