5140194973 has 2 divisors, whose sum is σ = 5140194974. Its totient is φ = 5140194972.

The previous prime is 5140194959. The next prime is 5140194977. The reversal of 5140194973 is 3794910415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5008817529 + 131377444 = 70773^2 + 11462^2 .

It is a cyclic number.

It is not a de Polignac number, because 5140194973 - 2⁹ = 5140194461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5140194977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2570097486 + 2570097487.

It is an arithmetic number, because the mean of its divisors is an integer number (2570097487).

Almost surely, 2^5140194973 is an apocalyptic number.

It is an amenable number.

5140194973 is a deficient number, since it is larger than the sum of its proper divisors (1).

5140194973 is an equidigital number, since it uses as much as digits as its factorization.

5140194973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 5140194973 is about 71695.1530649039. The cubic root of 5140194973 is about 1725.8108598963.

The spelling of 5140194973 in words is "five billion, one hundred forty million, one hundred ninety-four thousand, nine hundred seventy-three".