1039749426871 has 8 divisors (see below), whose sum is σ = 1040561820144. Its totient is φ = 1038937271040.

The previous prime is 1039749426869. The next prime is 1039749426887. The reversal of 1039749426871 is 1786249479301.

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

It is a cyclic number.

It is not a de Polignac number, because 1039749426871 - 2¹ = 1039749426869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1039749426811) 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 7 ways as a sum of consecutive naturals, for example, 9267591 + ... + 9379111.

It is an arithmetic number, because the mean of its divisors is an integer number (130070227518).

Almost surely, 2^{1039749426871} is an apocalyptic number.

1039749426871 is a deficient number, since it is larger than the sum of its proper divisors (812393273).

1039749426871 is a wasteful number, since it uses less digits than its factorization.

1039749426871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118721.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 1039749426871 in words is "one trillion, thirty-nine billion, seven hundred forty-nine million, four hundred twenty-six thousand, eight hundred seventy-one".