315873530069 has 2 divisors, whose sum is σ = 315873530070. Its totient is φ = 315873530068.

The previous prime is 315873530057. The next prime is 315873530099. The reversal of 315873530069 is 960035378513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233583723025 + 82289807044 = 483305^2 + 286862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315873530069 is a prime.

It is a super-2 number, since 2×315873530069² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 315873529999 and 315873530026.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315873530099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157936765034 + 157936765035.

It is an arithmetic number, because the mean of its divisors is an integer number (157936765035).

Almost surely, 2^315873530069 is an apocalyptic number.

It is an amenable number.

315873530069 is a deficient number, since it is larger than the sum of its proper divisors (1).

315873530069 is an equidigital number, since it uses as much as digits as its factorization.

315873530069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 315873530069 in words is "three hundred fifteen billion, eight hundred seventy-three million, five hundred thirty thousand, sixty-nine".