5085981634 has 4 divisors (see below), whose sum is σ = 7628972454. Its totient is φ = 2542990816.

The previous prime is 5085981623. The next prime is 5085981671. The reversal of 5085981634 is 4361895805.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5041426009 + 44555625 = 71003^2 + 6675^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271495407 + ... + 1271495410.

Almost surely, 2^5085981634 is an apocalyptic number.

5085981634 is a deficient number, since it is larger than the sum of its proper divisors (2542990820).

5085981634 is a wasteful number, since it uses less digits than its factorization.

5085981634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542990819.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The square root of 5085981634 is about 71316.0685540082. The cubic root of 5085981634 is about 1719.7220609576.

The spelling of 5085981634 in words is "five billion, eighty-five million, nine hundred eighty-one thousand, six hundred thirty-four".