51867906342 has 16 divisors (see below), whose sum is σ = 118555214592. Its totient is φ = 14819401800.

The previous prime is 51867906341. The next prime is 51867906361. The reversal of 51867906342 is 24360976815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51867906341) 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, 617475034 + ... + 617475117.

It is an arithmetic number, because the mean of its divisors is an integer number (7409700912).

It is a 1-persistent number, because it is pandigital, but 2⋅51867906342 = 103735812684 is not.

Almost surely, 2^51867906342 is an apocalyptic number.

51867906342 is an abundant number, since it is smaller than the sum of its proper divisors (66687308250).

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

51867906342 is a wasteful number, since it uses less digits than its factorization.

51867906342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234950163.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 51867906342 in words is "fifty-one billion, eight hundred sixty-seven million, nine hundred six thousand, three hundred forty-two".