312456404485 has 8 divisors (see below), whose sum is σ = 374953485816. Its totient is φ = 249961256640.

The previous prime is 312456404453. The next prime is 312456404503. The reversal of 312456404485 is 584404654213.

It is a Cunningham number, because it is equal to 558978²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 14898155364 + 297558249121 = 122058^2 + 545489^2 .

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

It is not a de Polignac number, because 312456404485 - 2⁵ = 312456404453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100234 + ... + 796843.

It is an arithmetic number, because the mean of its divisors is an integer number (46869185727).

Almost surely, 2^312456404485 is an apocalyptic number.

It is an amenable number.

312456404485 is a deficient number, since it is larger than the sum of its proper divisors (62497081331).

312456404485 is an equidigital number, since it uses as much as digits as its factorization.

312456404485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966743.

The product of its (nonzero) digits is 1843200, while the sum is 46.

The spelling of 312456404485 in words is "three hundred twelve billion, four hundred fifty-six million, four hundred four thousand, four hundred eighty-five".