5094921812 has 6 divisors (see below), whose sum is σ = 8916113178. Its totient is φ = 2547460904.

The previous prime is 5094921787. The next prime is 5094921847. The reversal of 5094921812 is 2181294905.

It can be written as a sum of positive squares in only one way, i.e., 4794731536 + 300190276 = 69244^2 + 17326^2 .

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 5094921812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636865223 + ... + 636865230.

It is an arithmetic number, because the mean of its divisors is an integer number (1486018863).

Almost surely, 2^5094921812 is an apocalyptic number.

It is an amenable number.

5094921812 is a deficient number, since it is larger than the sum of its proper divisors (3821191366).

5094921812 is a wasteful number, since it uses less digits than its factorization.

5094921812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273730457 (or 1273730455 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 5094921812 is about 71378.7210028311. The cubic root of 5094921812 is about 1720.7291180468.

The spelling of 5094921812 in words is "five billion, ninety-four million, nine hundred twenty-one thousand, eight hundred twelve".