801914139849 has 16 divisors (see below), whose sum is σ = 1094148644864. Its totient is φ = 522145990800.

The previous prime is 801914139839. The next prime is 801914139883. The reversal of 801914139849 is 948931419108.

It is not a de Polignac number, because 801914139849 - 2⁷ = 801914139721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801914139839) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2136984 + ... + 2484054.

It is an arithmetic number, because the mean of its divisors is an integer number (68384290304).

Almost surely, 2^801914139849 is an apocalyptic number.

It is an amenable number.

801914139849 is a deficient number, since it is larger than the sum of its proper divisors (292234505015).

801914139849 is a wasteful number, since it uses less digits than its factorization.

801914139849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365028.

The product of its (nonzero) digits is 2239488, while the sum is 57.

The spelling of 801914139849 in words is "eight hundred one billion, nine hundred fourteen million, one hundred thirty-nine thousand, eight hundred forty-nine".