46539273778 has 16 divisors (see below), whose sum is σ = 76677981120. Its totient is φ = 21086444016.

The previous prime is 46539273751. The next prime is 46539273779. The reversal of 46539273778 is 87737293564.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (46539273779) 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, 26623425 + ... + 26625172.

It is an arithmetic number, because the mean of its divisors is an integer number (4792373820).

Almost surely, 2^46539273778 is an apocalyptic number.

46539273778 is a deficient number, since it is larger than the sum of its proper divisors (30138707342).

46539273778 is a wasteful number, since it uses less digits than its factorization.

46539273778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53248641.

The product of its digits is 53343360, while the sum is 61.

The spelling of 46539273778 in words is "forty-six billion, five hundred thirty-nine million, two hundred seventy-three thousand, seven hundred seventy-eight".