10491944439 has 8 divisors (see below), whose sum is σ = 14117601520. Its totient is φ = 6930458496.

The previous prime is 10491944413. The next prime is 10491944447. The reversal of 10491944439 is 93444919401.

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

It is not a de Polignac number, because 10491944439 - 2⁹ = 10491943927 is a prime.

It is a super-2 number, since 2×10491944439² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10491943439) 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, 16042402 + ... + 16043055.

It is an arithmetic number, because the mean of its divisors is an integer number (1764700190).

Almost surely, 2^10491944439 is an apocalyptic number.

10491944439 is a deficient number, since it is larger than the sum of its proper divisors (3625657081).

10491944439 is a wasteful number, since it uses less digits than its factorization.

10491944439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32085569.

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 10491944439 in words is "ten billion, four hundred ninety-one million, nine hundred forty-four thousand, four hundred thirty-nine".