12870519437 has 2 divisors, whose sum is σ = 12870519438. Its totient is φ = 12870519436.

The previous prime is 12870519359. The next prime is 12870519491. The reversal of 12870519437 is 73491507821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8859703876 + 4010815561 = 94126^2 + 63331^2 .

It is a cyclic number.

It is not a de Polignac number, because 12870519437 - 2¹² = 12870515341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12870519391 and 12870519400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12870519737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6435259718 + 6435259719.

It is an arithmetic number, because the mean of its divisors is an integer number (6435259719).

Almost surely, 2^12870519437 is an apocalyptic number.

It is an amenable number.

12870519437 is a deficient number, since it is larger than the sum of its proper divisors (1).

12870519437 is an equidigital number, since it uses as much as digits as its factorization.

12870519437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 12870519437 in words is "twelve billion, eight hundred seventy million, five hundred nineteen thousand, four hundred thirty-seven".