5189966785 has 8 divisors (see below), whose sum is σ = 6245807400. Its totient is φ = 4140075264.

The previous prime is 5189966779. The next prime is 5189966807. The reversal of 5189966785 is 5876699815.

It can be written as a sum of positive squares in 4 ways, for example, as 2040961329 + 3149005456 = 45177^2 + 56116^2 .

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 5189966785 - 2¹⁵ = 5189934017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485352 + ... + 1488841.

It is an arithmetic number, because the mean of its divisors is an integer number (780725925).

Almost surely, 2^5189966785 is an apocalyptic number.

It is an amenable number.

5189966785 is a deficient number, since it is larger than the sum of its proper divisors (1055840615).

5189966785 is a wasteful number, since it uses less digits than its factorization.

5189966785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974547.

The product of its digits is 32659200, while the sum is 64.

The square root of 5189966785 is about 72041.4240905883. The cubic root of 5189966785 is about 1731.3632415859.

The spelling of 5189966785 in words is "five billion, one hundred eighty-nine million, nine hundred sixty-six thousand, seven hundred eighty-five".