103827942449 has 18 divisors (see below), whose sum is σ = 132757577442. Its totient is φ = 80904885600.

The previous prime is 103827942443. The next prime is 103827942451. The reversal of 103827942449 is 944249728301.

It can be written as a sum of positive squares in only one way, i.e., 96770766400 + 7057176049 = 311080^2 + 84007^2 .

It is not a de Polignac number, because 103827942449 - 2¹² = 103827938353 is a prime.

It is a super-2 number, since 2×103827942449² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103827942449.

It is not an unprimeable number, because it can be changed into a prime (103827942443) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8750012 + ... + 8761869.

It is an arithmetic number, because the mean of its divisors is an integer number (7375420969).

Almost surely, 2^103827942449 is an apocalyptic number.

It is an amenable number.

103827942449 is a deficient number, since it is larger than the sum of its proper divisors (28929634993).

103827942449 is a wasteful number, since it uses less digits than its factorization.

103827942449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17511917 (or 17511899 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 103827942449 in words is "one hundred three billion, eight hundred twenty-seven million, nine hundred forty-two thousand, four hundred forty-nine".