5261942109 has 8 divisors (see below), whose sum is σ = 7016387680. Its totient is φ = 3507728976.

The previous prime is 5261942089. The next prime is 5261942129. The reversal of 5261942109 is 9012491625.

It is an interprime number because it is at equal distance from previous prime (5261942089) and next prime (5261942129).

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

It is a de Polignac number, because none of the positive numbers 2^k-5261942109 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 (5261942129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4287 + ... + 102675.

It is an arithmetic number, because the mean of its divisors is an integer number (877048460).

Almost surely, 2^5261942109 is an apocalyptic number.

It is an amenable number.

5261942109 is a deficient number, since it is larger than the sum of its proper divisors (1754445571).

5261942109 is a wasteful number, since it uses less digits than its factorization.

5261942109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116219.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 5261942109 is about 72539.2453021122. The cubic root of 5261942109 is about 1739.3301368520.

The spelling of 5261942109 in words is "five billion, two hundred sixty-one million, nine hundred forty-two thousand, one hundred nine".