5291446861 has 8 divisors (see below), whose sum is σ = 5522590080. Its totient is φ = 5060393712.

The previous prime is 5291446837. The next prime is 5291446889. The reversal of 5291446861 is 1686441925.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5291446861 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 (5291446561) 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, 115651 + ... + 154783.

It is an arithmetic number, because the mean of its divisors is an integer number (690323760).

Almost surely, 2^5291446861 is an apocalyptic number.

It is an amenable number.

5291446861 is a deficient number, since it is larger than the sum of its proper divisors (231143219).

5291446861 is a wasteful number, since it uses less digits than its factorization.

5291446861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45035.

The product of its digits is 414720, while the sum is 46.

The square root of 5291446861 is about 72742.3319738926. The cubic root of 5291446861 is about 1742.5750024220.

The spelling of 5291446861 in words is "five billion, two hundred ninety-one million, four hundred forty-six thousand, eight hundred sixty-one".