19276408057 has 2 divisors, whose sum is σ = 19276408058. Its totient is φ = 19276408056.

The previous prime is 19276408051. The next prime is 19276408139. The reversal of 19276408057 is 75080467291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17342519481 + 1933888576 = 131691^2 + 43976^2 .

It is a cyclic number.

It is not a de Polignac number, because 19276408057 - 2³ = 19276408049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19276408057.

It is not a weakly prime, because it can be changed into another prime (19276408051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9638204028 + 9638204029.

It is an arithmetic number, because the mean of its divisors is an integer number (9638204029).

Almost surely, 2^19276408057 is an apocalyptic number.

It is an amenable number.

19276408057 is a deficient number, since it is larger than the sum of its proper divisors (1).

19276408057 is an equidigital number, since it uses as much as digits as its factorization.

19276408057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 19276408057 in words is "nineteen billion, two hundred seventy-six million, four hundred eight thousand, fifty-seven".