51046139323 has 16 divisors (see below), whose sum is σ = 51851820384. Its totient is φ = 50246784000.

The previous prime is 51046139299. The next prime is 51046139351. The reversal of 51046139323 is 32393164015.

It is a cyclic number.

It is not a de Polignac number, because 51046139323 - 2¹³ = 51046131131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51046139363) 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, 27194661 + ... + 27196537.

It is an arithmetic number, because the mean of its divisors is an integer number (3240738774).

Almost surely, 2^51046139323 is an apocalyptic number.

51046139323 is a deficient number, since it is larger than the sum of its proper divisors (805681061).

51046139323 is a wasteful number, since it uses less digits than its factorization.

51046139323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342.

The product of its (nonzero) digits is 58320, while the sum is 37.

The spelling of 51046139323 in words is "fifty-one billion, forty-six million, one hundred thirty-nine thousand, three hundred twenty-three".