2801312393 has 8 divisors (see below), whose sum is σ = 3188846016. Its totient is φ = 2435923600.

The previous prime is 2801312383. The next prime is 2801312399. The reversal of 2801312393 is 3932131082.

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

It is not a de Polignac number, because 2801312393 - 2¹⁶ = 2801246857 is a prime.

It is a super-2 number, since 2×2801312393² = 15694702246350772898, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2801312399) 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, 5535938 + ... + 5536443.

It is an arithmetic number, because the mean of its divisors is an integer number (398605752).

Almost surely, 2^2801312393 is an apocalyptic number.

2801312393 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2801312393 is a deficient number, since it is larger than the sum of its proper divisors (387533623).

2801312393 is a wasteful number, since it uses less digits than its factorization.

2801312393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11072415.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2801312393 is about 52927.4257167303. The cubic root of 2801312393 is about 1409.6799221485.

The spelling of 2801312393 in words is "two billion, eight hundred one million, three hundred twelve thousand, three hundred ninety-three".