319756420045 has 8 divisors (see below), whose sum is σ = 392631139296. Its totient is φ = 249856179216.

The previous prime is 319756420007. The next prime is 319756420097. The reversal of 319756420045 is 540024657913.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 319756420045 - 2²¹ = 319754322893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 319756419977 and 319756420004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743619367 + ... + 743619796.

It is an arithmetic number, because the mean of its divisors is an integer number (49078892412).

Almost surely, 2^319756420045 is an apocalyptic number.

It is an amenable number.

319756420045 is a deficient number, since it is larger than the sum of its proper divisors (72874719251).

319756420045 is a wasteful number, since it uses less digits than its factorization.

319756420045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487239211.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 319756420045 in words is "three hundred nineteen billion, seven hundred fifty-six million, four hundred twenty thousand, forty-five".