5155585973 has 2 divisors, whose sum is σ = 5155585974. Its totient is φ = 5155585972.

The previous prime is 5155585969. The next prime is 5155585997. The reversal of 5155585973 is 3795855515.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4313599684 + 841986289 = 65678^2 + 29017^2 .

It is a cyclic number.

It is not a de Polignac number, because 5155585973 - 2² = 5155585969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5155585073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2577792986 + 2577792987.

It is an arithmetic number, because the mean of its divisors is an integer number (2577792987).

Almost surely, 2^5155585973 is an apocalyptic number.

It is an amenable number.

5155585973 is a deficient number, since it is larger than the sum of its proper divisors (1).

5155585973 is an equidigital number, since it uses as much as digits as its factorization.

5155585973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4725000, while the sum is 53.

The square root of 5155585973 is about 71802.4092423089. The cubic root of 5155585973 is about 1727.5316433881.

The spelling of 5155585973 in words is "five billion, one hundred fifty-five million, five hundred eighty-five thousand, nine hundred seventy-three".