10931401949 has 16 divisors (see below), whose sum is σ = 11915895600. Its totient is φ = 9967643136.

The previous prime is 10931401933. The next prime is 10931401967. The reversal of 10931401949 is 94910413901.

It can be written as a sum of positive squares in 8 ways, for example, as 3550014724 + 7381387225 = 59582^2 + 85915^2 .

It is a cyclic number.

It is not a de Polignac number, because 10931401949 - 2⁴ = 10931401933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10931401909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1399547 + ... + 1407335.

It is an arithmetic number, because the mean of its divisors is an integer number (744743475).

Almost surely, 2^10931401949 is an apocalyptic number.

It is an amenable number.

10931401949 is a deficient number, since it is larger than the sum of its proper divisors (984493651).

10931401949 is a wasteful number, since it uses less digits than its factorization.

10931401949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9104.

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 10931401949 in words is "ten billion, nine hundred thirty-one million, four hundred one thousand, nine hundred forty-nine".